Sanyo KGS1411, CG1411 Thermistor Abnormality Indoor Unit Only, CT Detection Refer to 12-3-9and

12-3-2. Thermistor Abnormality (Indoor Unit Only)

Check open / short circuit at the coil thermistor and room thermistor (between 1 and 2 of the lamp 8P) on the PCB of the indoor unit (but only when the room temperature is 14 to 113°F).

12-3-3. Protective Circuit of Outdoor (Burner) Unit Operated

Check the following according to the failure display. Check items listed in 12-6. Heating Operation Not Possible.

●light off

●light on

No.	Caused by (outdoor unit)	LED lamps				Meaning
		2	3	4	5
—	Normal	● ● ● ●				Normal operation
—	Defective in IC chip (E 2PROM)	● ● ● ●				Cannot read IC chip data or missing IC chip on outside
						PCB
—	Defective Gas Valves	● ● ● ●				Detects abnormality in Gas Valve Circuit at initial
						checking
A	Detective Thermistor 1	● ● ● ●				Open or Short of Thermistor 1
B	Detective Thermistor 2	● ● ● ●				Open or Short of Thermistor 2
C	Limit switch	● ● ● ●				Thermal fuse or Bimetal Thermostat tripped
D	Flame current circuit	● ● ● ●				Defective abnormal in Flame Current Circuit
E	Lighting failure	● ● ● ●				Couldn’t establish flame
F	Lost flame	● ● ● ●				Flame Sensor Circuit detects lost flame and could not
						establish the flame
G	Incorrect combustion motor speed	● ● ● ●				Incorrect combustion motor speed
H	Over-time period in retry	● ● ● ●				Thermistor 1 or Thermistor 2 temperature did not go
						down in set period
I	Over number of times in retry	● ● ● ●				Combustion stopped by Thermistor 1 or Thermistor 2
						more than set number
J	Bypass Valve (V2) not open	● ● ● ●				Bypass Valve failure or drop-out of Thermistor 2
—	Reversing Valve not working	● ● ● ●				Reversing Valve failure, drop-out of Thermistor 2, or
						shortage of refrigerant

Note: Refer to 12-8. Failure Display on Outdoor Unit and Correction Method.

12-3-4. CT Detection (Refer to 12-3-9 and 12-3-10.)

(1)Compressor abnormality

(2)Compressor over-load relay engaged

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