Toshiba HFC R407C User Manual

49
Check code Operation cause
[80]
Gas temp. sensor (Tha) short circuit Tha sensor open/short
Open/short of Tha sensor was detected. Check connector (Tha sensor: PJ1) and characteristics of sensor
resistance value.
When sensor is normal, replace interface PC board of the Multi Controller.
Check code Operation cause
[81]
Gas temp. sensor (Thb) short circuit Thb sensor open/short
Open/short of Thb sensor was detected. Check connector (Thb sensor: PJ2) and characteristics of sensor
resistance value.
When sensor is normal, replace interface PC board of the Multi Controller.
Check code Operation cause
[82]
Gas temp. sensor (Thc) short circuit Thc sensor open/short
Open/short of Thc sensor was detected. Check connector (Thc sensor: PJ3) and characteristics of sensor
resistance value.
When sensor is normal, replace interface PC board of the Multi Controller.
Check code Operation cause
[83]
Gas temp. sensor (Thd) short circuit Thd sensor open/short
Open/short of Thd sensor was detected. Check connector (Thd sensor: PJ4) and characteristics of sensor
resistance value.
When sensor is normal, replace interface PC board of the Multi Controller.
Check code Operation cause
[84]
Gas temp. sensor (Thx) short circuit Thx sensor open/short
Open/short of Thx sensor was detected. Check connector (Thx sensor: PJ5) and characteristics of sensor
resistance value.
When sensor is normal, replace interface PC board of the Multi Controller.
Troubleshooting
Diagnostic procedure for check code

Toshiba HFC R407C Specifications

General

Brand	Toshiba
Model	HFC R407C
Category	Air Conditioner
Language	English