Service Diagnosis
40
10.4.6 Over-current of the compressor
Outdoor Display F22, F2, F23 LED1 flash 3 or 24 or 25 times
The current of the compressor is too high
When the IPM Module is damaged or the compressor is damaged.
Power supply voltage is too low or too high
■
Faulty IPM Module
■
Faulty compressor
■
Faulty power supply
* Caution: Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Malfunction
Decision
Conditions
Method of
Malfunction
Detection
Trouble
shooting
Supposed
Causes
The system may have been over or
under charged with gas, which can be
judged through the pressure of the
measuring system.
Repair the power
supply
IPM Module is damaged
and needs replace.
Electrify the machine again and turn it on
with the remote control. If malfunctions
are reported before or upon the
compressor being started up,
The compressor is started normally, but
malfunctions are reported after it has run
for some time. Check the power supply is
too low or too high
NO
YES
YES
NO
Содержание 1U50S2SJ2FA-1
Страница 11: ...Piping diagrams Domestic air conditioner 4 Piping diagrams 9 EEV EEV...
Страница 12: ...Operation range 5 Operation range 60 43 40 20 0 20 20 40 21 35 15 20 25 27 10 Domestic air conditioner...
Страница 31: ...Dimensional drawings 8 Dimensional drawings 9 Center of gravity 29 Domestic air conditioner...
Страница 56: ...Performance and curves diagrams 11 3 Cooling discharge pressure curves Domestic air conditioner 54...
Страница 57: ...Performance and curves diagrams 11 4 Cooling suction pressure curves 55 Domestic air conditioner...
Страница 58: ...Performance and curves diagrams 11 5 Heating capacity temperature curves 56 Domestic air conditioner...
Страница 60: ...Performance and curves diagrams 11 7 Heating discharge pressure curves 58 Domestic air conditioner...
Страница 61: ...Performance and curves diagrams 11 8 Heating suction pressure curves 59 Domestic air conditioner...
Страница 63: ...61 Do C omestic air ircuit Diagra conditioner ams r...
Страница 64: ...62 Do C omestic air ircuit Diagra conditioner ams r 12 2 Module board circuit diagram...
Страница 67: ...6 5 Domestic air conditioner Step Procedure Points Remove the fixting screws then lift the electrical box...
Страница 74: ...72 Domestic air conditioner Step Procedure Points Remove the fixing screw then lift the valve set...