Service Label - Carrier 59SC6A Installation Instructions Manual

59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions

SERVICE LABEL

Major Minor
10 1
Rapid flash
LED
12 1
1
13
1
2
14
3
21
1
1
22
1
23
2
24 1
1
2
25
3
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Fig. 59 – 3 Digit Display Flow Chart
Scan QR code or reference troubleshooting guide in installation manual.
The major status code is displayed in the first 2 digits of the display. The minor status
code is displayed in the third digit . The major status code is also displayed on the
LED indicator through the door with the first digit being the number of short flashes
and the second digit being the number of long flashes.
Description Major Minor Description Major Minor
Main program invalid,
using backup program
L1 polarity fault
to operate. Reprogram
4
control to correct
issue. Control still
W on at power up
operates normally.
Limit Lockout -
Installer settings
switch open longer
corrupted.Try
than 3 minutes in
reselecting installer
Main Limit circuit
5
settings, or reprogram
Ignition Lockout
control. Control will
after 4 consecutive
25
operate using default
ignition tries
installer settings.
Flame lost 3 times
Wrong program for
after 70s of heating
control used -
Lockout - 7 loss of reprogram control so
6
flame events during program matches
a heat request control used. No
heating operation.
24VAC sensed on
gas valve when
Non-Condensing
shouldn't be 7
program detected in
a Condensing model.
False flame
If program in furnace control
Stuck closed Main
is missing, not recognized,
pressure switch
or corrupted. Reprogram
Stuck closed
Reprogram control with
secondary pressure
correct program # as listed
switch
on the rating plate.Replace
Fuse fault control if issue remains.
No program info in
Program in super
micro, no heating
1
plug is missing, not
operation.
recognized, or
Corrupted program
file, reprogram corrupted. Remove
27 2
control using service
super plug then
app or super plug
retry. If still have 27
(supplied
code, try a different
separately), no
super plug. If still
3
heating operation.
fails, replace control.
Twinned units are
not identical,
Open secondary
program #'s do not
2
pressure switch (HPS)
match. Ensure
furnaces are
Secondary PS
identical (same
31
program #) Lockout - failed to
3
when twinning.
close secondary
Main unit will not
PS after three trials
operate heating.
Fig. 60 – Service Label Information
Scroll through main menu by pressing the MENU/SELECT button.
Press NEXT/OPTION button to view current setting (will flash on
display) and to scroll through setting options. Press
MENU/SELECT button to save new setting and return to main
menu. The display will flash to confirm setting selection before
Description
returning to the main menu.
Open Main pressure
32 1 SYSTEM STATUS
switch (LPS)
A switch has opened in DISPLAY DESCRIPTION
33 1
the Main Limit circuit.
Idle / Stand by
Ignition fault - during iDL
Mode
1 four consecutive
ignition trials.
HT
Heating Mode
After successful
ignition (flame proven)
34 flame loss before
2
CL
Cooling Mode
heating blower on
delay.
Heat Pump Defrost
After successful
HPd
Mode
ignition (flame proven)
3
flame loss after heating
blower on delay.
Continuous Fan
CFn
Control failure – flame Mode
circuit fault, memory
1
mismatch or sequence
Secondary Unit
error.
Operating Blower
bLr
Control failure – gas
during CFn, CL,
45
2 valve relay will not
or HT
close.
Control failure ##.#
Active Status Code
3 – EEPROM memory
issue.
For code 45, cycle power, if
code 45 repeats, replace
To initiate the component test sequence, the control must be in (idl) mode. No
control.
thermostat demands (W, Y, G). Select component test (Ct) from menu select
buttons to start the component test sequence. Once initiated the furnace control
Momentary loss of
will perform the following sequence:
46 1
power
1. PUr- Inducer ON (remains ON for test).
2. HSI- After waiting 10s, HSI ON for 15 seconds.
3. Fn- After HSI, then Blower ON for 10 seconds.
4. End- After Blower, Inducer ON for 10 more
seconds.
The test ends.
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respective owners.
54
MAIN MENU
DISPLAY DESCRIPTION
idL,Ht,...
Current System Status
Flt
Last 7 faults that occured
Ht
Heating Blower speed
CL Cooling and Heat Pump Blower speed
Continuous Fan speed
CFn
Hod
Heat OFF delay
Cod
Cool OFF delay
Dir
Orientation upflow or downflow
tnn
Twinning Main or Secondary
inF Program # and Software version
Ct
Component test
Reset All Installer Settings to
r5t
Factory Defaults
COMPONENT TEST
A220518
A210798