SiBE041434E
Troubleshooting
Service Diagnosis
86
4.17 High Pressure Control in Cooling
Error Code
F6
Method of Error
Detection
High-pressure control (operation halt, frequency drop, etc.) is activated in cooling operation if
the temperature sensed by the outdoor heat exchanger thermistor exceeds the limit.
Error Decision
Conditions
The temperature sensed by the outdoor heat exchanger thermistor rises above 53 ~ 57°C
(depending on the model).
The error is cleared when the temperature drops below 48 ~ 50°C (depending on the
model).
Supposed
Causes
The installation space is not large enough.
Dirty outdoor heat exchanger
Defective outdoor fan motor
Defective stop valve
Defective electronic expansion valve or coil
Defective outdoor heat exchanger thermistor
Defective outdoor unit PCB
Troubleshooting
Check No.01
Refer to P.97
Check No.12
Refer to P.99
Check No.17
Refer to P.103
Check No.18
Refer to P.104
Check No.19
Refer to P.104
(R20418)
Caution
Replace the outdoor fan
motor.
Reconnect the connector or
fan motor lead wires.
Replace the stop valve.
Replace the outdoor heat
exchanger thermistor.
Replace the outdoor unit
PCB (main PCB).
Replace the electronic
expansion valve or the coil.
Replace the outdoor unit
PCB (main PCB).
Change the installation
location or direction.
Clean the outdoor heat
exchanger.
Check the installation space.
NG
OK
OK
NG
NG
OK
OK
OK
NG
NG
Check No. 19
Check the outdoor fan.
Check No. 18
Check the discharge
pressure.
Check No. 12
Check the electronic
expansion valve.
Check No. 01
Check the outdoor heat
exchanger thermistor.
Check No. 17
Check the installation
condition.
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Содержание FTXM-K Series
Страница 16: ...SiBE041434E 1 List of Functions Part 1 List of Functions 1 Functions 2...
Страница 18: ...SiBE041434E 3 Specifications Part 2 Specifications 1 Specifications 4...
Страница 66: ...SiBE041434E 51 Remote Controller Part 5 Remote Controller 1 20 25 Class 52 2 35 42 50 Class 54...
Страница 122: ...Check SiBE041434E 107 Service Diagnosis 42 50 class R21204 W V U DC_P1 Power module DC_N1 Power module...
Страница 137: ...Revision History Month Year Version Revised contents 02 2015 SiBE041434E First edition...