Takagi GS-2000W-AU - PCB ERROR CODES

24
PCB ERROR CODES
The water heater has a self diagnosc funcon for safety and convenience when troubleshoong.
If there is a problem with the installaon or the unit, it will display a numerical error code on the remote
controller or blink the LED on the PCB. Consult the following chart for cause for each error code.
1 2 3 4 5 6 7 8
The LED on the PCB will blink.
When remote controller is not installed
The PCB is located at the boom le-hand side of the cabinet and the error codes can be read from the LED
on the PCB or the Remote Control Temperature Display if ed.
The LED on the PCB
Error Code on Remote
Controller
Symptom
Burning LED:1 Blink
03 Incorrect Dipswitch Seng ( Gas )
70 Proporonal valve / computer
Burning LED:2 Blinks
31 Output Thermistor
32 Inlet Thermistor
39 Air-fuel Rao Rod Failure
Burning LED:3 Blinks
11 Ignion Failure
12 Flame Loss
51
Abnormal Main Gas valve or
Gas solenoid Valve
72 False Flame Detecon
99 Imperfect combuson
Burning LED:4 Blinks
61 Abnormal Outside Pump
Burning LED:5 Blinks
10 Warning for 991 Error Seng
74
Remote controller (MC100-AU3-TP)
75
Remote controllers
(FC100-AU3-TP / SC100-AU3-TP)
Error Codes On the PCB or Temperature Remote Controllers
When remote controller is installed
The error code will be displayed on the remote
controller.