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rights reserved.
TROUBLESHOOTING
TROUBLESHOOTING
Green
LED Flash
Amber
LED Flash
Red
LED Flash
Error / Condition
Up to 5 Flash Codes Stored in Memory (Auto-Erased After 14 Days)
11
No Stored Codes
12
Reversed 120 VAC Polarity / Grounding
14
Ignition Lockout (Due to Excessive Retries)
15
Ignitor Failure
16
Gas Valve De-Energized When It Should Be Energized
21
Gas Heating Lockout (Gas Valve Energized When It Should Be De-Energized)
22
Abnormal Flame Proving Signal
(Flame Sensed When Flame Should Not Be Present)
23
Low Heat Pressure Switch Did Not Open
(Shorted Pressure Switch, 1st stage)
24
Fuse is Open
25
High Heat Pressure Switch Did Not Open (Shorted Pressure Switch, 2nd stage)
31
High-Heat Pressure Switch or Inducer Relay Did Not Close or Re-opened
(Open Pressure Switch, 2nd stage)
32
Low-Heat Pressure Switch or Inducer Relay Did Not Close or Re-opened (Open
Pressure Switch, 1st stage)
33
Limit Circuit Fault (Open Limit or Roll Out)
34
Ignition Proving Failure (Due to Ignition Recycles)
Flash codes NOT stored in memory
OFF
OFF
OFF
No 120 VAC and 24 VAC Power
Control Circuitry Lockout
Alternate
Alternate
Alternate
Self-Test Mode Active
Solid ON
Standby
Rapid Flash
Fan Only Call
1
Call For Low Cool
2
Call For High Cool
3
Blower On After Power Up
Rapid flash
Weak Flame Error
1
Call For Low Heat
2
Call For High Heat
3
Defrost Mode
Rapid flash
Twinning Error
NOTE:
Rapid Flash LED flash code uses 250ms ON time and 250ms OFF time.
Two-digit Red LED flash codes use 1s ON time, 250ms OFF time. There is a 1s OFF time between 1
st
and 2
nd
digit of the
error code. There is a 2s OFF time between each error code.
FAULT AND STATUS CODES
The LED will indicate fault or status codes as shown in the table below:
FAULT RECALL
When the control is in standby mode (no call for heat or cool),
press the "SELECT" button for approximately 2 to 5 seconds or
until the diagnostic LED turns off. Up to 5 fault codes are stored.
NOTE:
While displaying the stored fault codes, the control will
ignore any new call for heat, cool or fan.
FAULT CODE RESET
When the control is in standby mode (no call for heat or cool),
press the "SELECT" button for 5 to 10 seconds or until the
diagnostic LED begins to rapid flash.
NOTE
: If the switch is held pressed for over 10 seconds the
rapid flash will stop and the LED will be on to indicate
return to normal status.
TECHNICAL SUPPORT: 1-888-725-9797
