American Standard 4A6V0024A1000B Service Facts page 28

V V a a r r i i a a b b l l e e S S p p e e e e d d A A l l e e r r t t C C o o d d e e s s
Display
Alert
Alert
Assembly
Group
Code
Text
Initializa-
INIT ERR
tion Error
ADC
Supply
ADC SUP EX
Range
exceeded
ADC
Inverter
tempera- ADC INV T EX
ture range
exceeded
181
ADC
Rectifier
tempera- ADC REC T EX
ture range
exceeded
ADC
reference
ADC REF EX
range
exceeded
ADC
current
ADC CUR EX
range
error
STRT SOFT LO
Startup
182 Algorithm
Fault
STRT HARD LO
Shutdown
183 Algorithm SHTDWN CO
Fault
Protection
184 Algorithm IDCF CO
Fault
28
Sub-
A/TZONE
State action on
alar-
850/950
occurrence
m
Emergency Shutdown.
Control will clear the
10 Err 181.10
fault and retry every 5
minutes.
Emergency shutdown.
Control will clear the
11 "Wait"
fault and retry every 5
minutes.
Emergency shutdown.
Control will clear the
12 "Wait"
fault and retry every 5
minutes.
Emergency shutdown.
Control will clear the
13 "Wait"
fault and retry every 5
minutes.
Emergency shutdown.
Control will clear the
14 "Wait"
fault and retry every 5
minutes.
Emergency shutdown.
Control will clear the
15 "Wait"
fault and retry every 5
minutes.
Can't execute start-up
algorithm Can't start
system for at least 5
minutes. Proceed to
Normal shutdown.
0 "Wait"
Send "Wait" to
thermostat, send Alert
to CDA home screen
menu and history
Shutdown. Can't start
system without
Service being called.
1 Err 182.01
Send error to
thermostat and alert
menu in CDA
Control is reset
0 "Wait" internally. Retry after 5
minutes.
Shutdown. Soft
lockout. Send "Wait" to
thermostat, send Alert
0 "Wait"
to CDA home screen
menu and history
Alert
State action on
Description
clearance
Resume normal
operation. Control Internal fault with
will clear fault when micro and cannot
condition no longer
initialize
exists.
Resume normal
operation. Control Internal
will clear fault when communication
condition no longer fault
exists.
Resume normal
operation. Control Internal fault with
will clear fault when temperature
condition no longer sensor.
exists.
Resume normal
operation. Control Internal fault with
will clear fault when temperature
condition no longer sensor.
exists.
Resume normal
operation. Control
Internal fault with
will clear fault when
micro
condition no longer
exists.
Resume normal
operation. Control
Internal fault with
will clear fault when
current sensor
condition no longer
exists.
Compressor has a
Resume normal
failed startup
operation
attempt.
Can be cleared only
on power cycle.
5 startup soft
After power cycle,
lockouts occurred
the compressor
without a
shall resume
successful start.
normal operation.
Compressor does
not come to a
Resume normal complete stop
operation after even after the
compressor comes defined time and
to a halt. continues to run
even after control
is released.
Resume normal (In cooling mode)
operation after Indoor coil freeze
suction pressure is protection is
greater than active. Suction
107psig (35°F pressure sensor
saturated)and is <78psig (20°F
compressor cutout saturated) for 20
time has elapsed. minutes.
Cut Out Time = 5
minutes
Possible Cause
Cycle power. If error
continues call for tech
support, record
failure mode for
warranty claim before
replacing Drive.
If error continues call
for tech support,
record failure mode
for warranty claim
before replacing
Drive.
If error continues call
for tech support,
record failure mode
for warranty claim
before replacing
Drive.
If error continues call
for tech support,
record failure mode
for warranty claim
before replacing
Drive.
If error continues call
for tech support,
record failure mode
for warranty claim
before replacing
Drive.
If error continues call
for tech support,
record failure mode
for warranty claim
before replacing
Drive.
Drive is limiting
compressor speed
due to Inverter high
temperature or high
current.
Drive is limiting
compressor speed
due to Inverter high
temperature or high
current.
Loss of internal
communication. If
error continues after
system resets, call for
tech support.
Restricted airflow, low
charge, low ambient
operation, restriction
in refrigerant system
or metering device.
4A-V0-SF-1G-EN