Sanyo KGS1411 ユーザーズマニュアル

No.

Caused by (outdoor unit)

LED lamps

Meaning

2   3   4   5

— Normal

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Normal operation

— Defective in IC chip (E

2

PROM)

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Cannot read IC chip data or missing IC chip on outside 
PCB

— Defective Gas Valves

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Detects abnormality in Gas Valve Circuit at initial 
checking

A

Detective Thermistor 1

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Open or Short of Thermistor 1

B

Detective Thermistor 2

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Open or Short of Thermistor 2

C

Limit switch

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Thermal fuse or Bimetal Thermostat tripped

D

Flame current circuit

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Defective abnormal in Flame Current Circuit

E

Lighting failure

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Couldn’t establish flame

F

Lost flame

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Flame Sensor Circuit detects lost flame and could not 
establish the flame

G

Incorrect combustion motor speed

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Incorrect combustion motor speed

H

Over-time period in retry

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Thermistor 1 or Thermistor 2 temperature did not go 
down in set period

I

Over number of times in retry

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Combustion stopped by Thermistor 1 or Thermistor 2 
more than set number

J

Bypass Valve (V2) not open

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Bypass Valve failure or drop-out of Thermistor 2

— Reversing Valve not working

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Reversing Valve failure, drop-out of Thermistor 2, or 
shortage of refrigerant

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).

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

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

(1) Compressor abnormality

(2) Compressor over-load relay engaged

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

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light off

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light on