Icc Diagnostic Codes - Rheem R-410A Installation Instructions Manual

12.6
13.X ICC Diagnostic Codes
13.X ICC Diagnostic Codes
13.X ICC Diagnostic Codes 13.X ICC Diagnostic Codes
13.X ICC Diagnostic Codes 13.X ICC Diagnostic Codes
Descriptions of the ICC diagnostic codes are provided below:

ICC Diagnostic Codes

Descriptions of the ICC diagnostic codes are provided below:
Descriptions of the ICC diagnostic codes are provided below:
Descriptions of the ICC diagnostic codes are provided below: Descriptions of the ICC diagnostic codes are provided below:
Descriptions of the ICC diagnostic codes are provided below: Descriptions of the ICC diagnostic codes are provided below:
Dual 7-Segment
7-Segment
LEDs Display
7-Segment
7-Segment 7-Segment
7-Segment 7-Segment
Code
LEDs Display
LEDs Display
LEDs Display LEDs Display
LEDs Display LEDs Display
Code
Code
Code Code
Code Code
0 – Standby
No command for unit operation
c - First Stage Cooling
Unit has received a command for first stage
cooling
c - Anti-short cycle timer (3 minutes) or
Minimum run timer (30 seconds) active
Lower case "c" indicates first stage cooling operation FLASHING
FLASHING
FLASHING FLASHING FLASHING FLASHING
C - Second Stage Cooling
Unit has received a command for second
stage cooling
Lower case "c" indicates first stage cooling operation
C - Anti-short cycle timer (3 minutes) or
Minimum run timer (30 seconds) active
Upper case "C" indicates second stage cooling operation
FLASHING
FLASHING
FLASHING FLASHING
FLASHING FLASHING
h1 - First Stage Heat Pump
Upper case "C" indicates second stage cooling operation
Unit has received a command for first stage
heat pump
h1 - Anti-short cycle timer (3 minutes) or
"h1" indicates first stage heating operation
Minimum run timer (30 seconds) active
H
FLASHING
FLASHING
FLASHING
FLASHING FLASHING
FLASHING FLASHING
"h1" indicates first stage heating operation
h2 - Second Stage Heat Pump
Unit has received a command for second
stage heat pump
H
"h2" indicates second stage heating operation
h2 - Anti-short cycle timer (3 minutes) or
Minimum run timer (30 seconds) active
"h2" indicates second stage heating operation
FLASHING
FLASHING
FLASHING
FLASHING FLASHING FLASHING FLASHING
d - Defrost Active
The unit is undergoing a defrost cycle
Lower case "d" indicates defrost operation (in heating mode)
t - Test Mode
Lower case "d" indicates defrost operation (in heating mode)
OMFORT ONTROL
CONVENTIONAL THERMOSTAT WIRING
Diagnostic Description
Diagnostic Description
0 – Standby Diagnostic Description
Diagnostic Description Diagnostic Description
Diagnostic Description Diagnostic Description
0 – Standby
No command for unit operation
0 – Standby 0 – Standby
0 – Standby 0 – Standby
No command for unit operation
No command for unit operation No command for unit operation
No command for unit operation No command for unit operation
c - First Stage Cooling
c - First Stage Cooling
Unit has received a command for first stage
c - First Stage Cooling c - First Stage Cooling
c - First Stage Cooling c - First Stage Cooling
Unit has received a command for first stage
cooling
Unit has received a command for first stage Unit has received a command for first stage
Unit has received a command for first stage Unit has received a command for first stage
cooling
cooling cooling
cooling cooling
c - Anti-short cycle timer (3 minutes) or
c - Anti-short cycle timer (3 minutes) or
Minimum run timer (30 seconds) active
c - Anti-short cycle timer (3 minutes) or c - Anti-short cycle timer (3 minutes) or
c - Anti-short cycle timer (3 minutes) or c - Anti-short cycle timer (3 minutes) or
Minimum run timer (30 seconds) active
Minimum run timer (30 seconds) active Minimum run timer (30 seconds) active
Minimum run timer (30 seconds) active Minimum run timer (30 seconds) active
C - Second Stage Cooling
C - Second Stage Cooling
Unit has received a command for second
C - Second Stage Cooling C - Second Stage Cooling
C - Second Stage Cooling C - Second Stage Cooling
Unit has received a command for second
stage cooling
Unit has received a command for second Unit has received a command for second
Unit has received a command for second Unit has received a command for second
stage cooling
stage cooling stage cooling
stage cooling stage cooling
C - Anti-short cycle timer (3 minutes) or
C - Anti-short cycle timer (3 minutes) or
Minimum run timer (30 seconds) active
C - Anti-short cycle timer (3 minutes) or C - Anti-short cycle timer (3 minutes) or
C - Anti-short cycle timer (3 minutes) or C - Anti-short cycle timer (3 minutes) or
Minimum run timer (30 seconds) active
Minimum run timer (30 seconds) active Minimum run timer (30 seconds) active
Minimum run timer (30 seconds) active Minimum run timer (30 seconds) active
h - First Stage Heat Pump
h1 - First Stage Heat Pump
Unit has received a command for first stage
h1 - First Stage Heat Pump h1 - First Stage Heat Pump
h1 - First Stage Heat Pump h1 - First Stage Heat Pump
Unit has received a command for first stage
heat pump
Unit has received a command for first stage Unit has received a command for first stage
Unit has received a command for first stage Unit has received a command for first stage
heat pump
heat pump heat pump
heat pump heat pump
h – Anti-short cycle timer (3 minutes) or
h1 - Anti-short cycle timer (3 minutes) or
Minimum run timer (30 seconds) active
h1 - Anti-short cycle timer (3 minutes) or h1 - Anti-short cycle timer (3 minutes) or
h1 - Anti-short cycle timer (3 minutes) or h1 - Anti-short cycle timer (3 minutes) or
Minimum run timer (30 seconds) active
Minimum run timer (30 seconds) active Minimum run timer (30 seconds) active
Minimum run timer (30 seconds) active Minimum run timer (30 seconds) active
H – Second Stage Heat Pump
h2 - Second Stage Heat Pump
Unit has received a command for second
h2 - Second Stage Heat Pump h2 - Second Stage Heat Pump
h2 - Second Stage Heat Pump h2 - Second Stage Heat Pump
Unit has received a command for second
stage heat pump
Unit has received a command for second Unit has received a command for second Unit has received a command for second Unit has received a command for second
stage heat pump
stage heat pump stage heat pump
stage heat pump stage heat pump
H – Anti-short cycle timer (3 minutes) or
h2 - Anti-short cycle timer (3 minutes) or
Minimum run timer (30 seconds) active
h2 - Anti-short cycle timer (3 minutes) or h2 - Anti-short cycle timer (3 minutes) or h2 - Anti-short cycle timer (3 minutes) or h2 - Anti-short cycle timer (3 minutes) or
Minimum run timer (30 seconds) active
d1 – No Shared Data
Minimum run timer (30 seconds) active Minimum run timer (30 seconds) active
Minimum run timer (30 seconds) active Minimum run timer (30 seconds) active
d – Defrost Active
d - Defrost Active
The unit is undergoing a defrost cycle
d3 – Airflow CFM Mismatch
d - Defrost Active d - Defrost Active d - Defrost Active d - Defrost Active
The unit is undergoing a defrost cycle
The indoor air mover (air handler/furnace)
The unit is undergoing a defrost cycle The unit is undergoing a defrost cycle
The unit is undergoing a defrost cycle The unit is undergoing a defrost cycle
cannot supply the required airflow for
t - Test Mode
proper system operation
t - Test Mode
P – Protector Trip
t - Test Mode t - Test Mode
t - Test Mode t - Test Mode
A command for compressor operation is
present but no current is measured to the
compressor
01 – Long Run Time (Compressor)
The compressor has continuously run for
more than 18 hours in the cooling mode.
2
SYSTEM™ CONTROL WIRING
AND
ICC DIAGNOSTIC CODES
Status/Possible Cause – Troubleshooting
Status/Possible Cause – Troubleshooting
Status/Possible Cause – Troubleshooting
Status/Possible Cause – Troubleshooting Status/Possible Cause – Troubleshooting
Status/Possible Cause – Troubleshooting Status/Possible Cause – Troubleshooting
Normal operation
Normal operation
Normal operation
Normal operation Normal operation
Normal operation Normal operation
Normal operation
Normal operation
Normal operation
Normal operation Normal operation
Normal operation Normal operation
• The unit has received a command for first stage
• The unit has received a command for first stage
cooling during an active anti-short cycle timer
• The unit has received a command for first stage
• The unit has received a command for first stage • The unit has received a command for first stage • The unit has received a command for first stage • The unit has received a command for first stage
cooling during an active anti-short cycle timer
or minimum run timer.
cooling during an active anti-short cycle timer
cooling during an active anti-short cycle timer cooling during an active anti-short cycle timer
cooling during an active anti-short cycle timer cooling during an active anti-short cycle timer
or minimum run timer.
• Wait until unit timer has expired or press the
or minimum run timer.
or minimum run timer. or minimum run timer.
or minimum run timer. or minimum run timer.
TEST button to defeat short cycle delay.
• Wait until unit timer has expired or press the
• Wait until unit timer has expired or press the
• Wait until unit timer has expired or press the • Wait until unit timer has expired or press the
• Wait until unit timer has expired or press the • Wait until unit timer has expired or press the
TEST button to reset timer.
TEST button to reset timer.
TEST button to reset timer. TEST button to reset timer.
Normal operation TEST button to reset timer. TEST button to reset timer.
Normal operation
Normal operation
Normal operation Normal operation
Normal operation Normal operation
• The unit has received a command for second
• The unit has received a command for second
stage cooling during an active anti-short cycle
• The unit has received a command for second
• The unit has received a command for second • The unit has received a command for second
• The unit has received a command for second • The unit has received a command for second
stage cooling during an active anti-short cycle
timer or minimum run timer.
stage cooling during an active anti-short cycle
stage cooling during an active anti-short cycle stage cooling during an active anti-short cycle stage cooling during an active anti-short cycle stage cooling during an active anti-short cycle
• Wait unit timer has expired or press the TEST timer or minimum run timer.
timer or minimum run timer.
timer or minimum run timer. timer or minimum run timer.
timer or minimum run timer. timer or minimum run timer.
button to defeat short cycle delay.
• Wait unit timer has expired or press the TEST
• Wait unit timer has expired or press the TEST
• Wait unit timer has expired or press the TEST • Wait unit timer has expired or press the TEST
• Wait unit timer has expired or press the TEST • Wait unit timer has expired or press the TEST
button to reset timer.
button to reset timer.
Normal operation button to reset timer. button to reset timer.
button to reset timer. button to reset timer.
Normal operation
Normal operation
Normal operation Normal operation
Normal operation Normal operation
• The unit has received a command for first stage
• The unit has received a command for first stage
heat pump during an active anti-short cycle
• The unit has received a command for first stage
• The unit has received a command for first stage • The unit has received a command for first stage
• The unit has received a command for first stage • The unit has received a command for first stage
heat pump during an active anti-short cycle
timer or minimum run timer.
heat pump during an active anti-short cycle
heat pump during an active anti-short cycle heat pump during an active anti-short cycle
heat pump during an active anti-short cycle heat pump during an active anti-short cycle
timer or minimum run timer.
• Wait unit timer has expired or press the TEST
timer or minimum run timer.
timer or minimum run timer. timer or minimum run timer.
timer or minimum run timer. timer or minimum run timer.
button to defeat short cycle delay.
• Wait unit timer has expired or press the TEST
• Wait unit timer has expired or press the TEST
• Wait unit timer has expired or press the TEST • Wait unit timer has expired or press the TEST
• Wait unit timer has expired or press the TEST • Wait unit timer has expired or press the TEST
button to reset timer.
button to reset timer.
Normal operation
button to reset timer. button to reset timer.
button to reset timer. button to reset timer.
Normal operation
Normal operation
Normal operation Normal operation
Normal operation Normal operation
• The unit has received a command for second
• The unit has received a command for second
stage heat pump during an active anti-short
• The unit has received a command for second
• The unit has received a command for second • The unit has received a command for second
• The unit has received a command for second • The unit has received a command for second
stage heat pump during an active anti-short
cycle timer or minimum run timer.
ELECTRONICS GROUP TO
stage heat pump during an active anti-short
stage heat pump during an active anti-short stage heat pump during an active anti-short
stage heat pump during an active anti-short stage heat pump during an active anti-short
cycle timer or minimum run timer.
• Wait unit timer has expired or press the TEST
cycle timer or minimum run timer.
cycle timer or minimum run timer. cycle timer or minimum run timer.
cycle timer or minimum run timer. cycle timer or minimum run timer.
button to defeat short cycle delay.
• Wait unit timer has expired or press the TEST
• Wait unit timer has expired or press the TEST
• Wait unit timer has expired or press the TEST • Wait unit timer has expired or press the TEST • Wait unit timer has expired or press the TEST • Wait unit timer has expired or press the TEST
button to reset timer.
Normal operation
button to reset timer.
button to reset timer. button to reset timer.
button to reset timer. button to reset timer.
Normal operation
• Misapplied/wrong indoor air mover – replace
Normal operation
Normal operation Normal operation Normal operation Normal operation
with properly sized air handler/furnace.
The ICC is in TEST mode
The ICC is in TEST mode
The ICC is in TEST mode
• Motor protector open
The ICC is in TEST mode The ICC is in TEST mode
The ICC is in TEST mode The ICC is in TEST mode
• Line voltage disconnected
3
• Low refrigerant charge
• Air ducts have substantial leakage
3
• Dirty indoor air filter
Information
Information
Information
Information Information
Information Information
DESCRIBE
25
10
10
10 10
10 10