Daikin FHK35FJV1 [96/244] After equipment shuts down it cannot be restarted for a while

Daikin FHK35FJV1 [96/244] After equipment shuts down it cannot be restarted for a while
Si-71A Troubleshooting Based on Equipment Condition
Troubleshooting 85
3.5 After Equipment Shuts Down, It cannot be Restarted for a While.
Applicable Model
All models of Skyair series
Error Detection
Method
Error Generating
Condition
Possible Cause
Overcurrent relay (for compressor)
Compressor protection thermostat
Overcurrent relay may act due to the following reasons
Lower voltage of power supply
Excess level of high pressure
Insufficient capacity of power cable
Malfunction of compressor
Compressor protection thermostat may act due to the following reasons
Internal leakage of four-way valve (There is no difference between inlet and outlet temperature)
Insufficient compression of compressor
Incorrect refrigerant
Faulty expansion valve
Insufficient circulation of refrigerant
Troubleshooting
Normal. Unit is in 3-min standby mode
Contact power company
Check compressor
Replace power cable
Expansion valve malfunction
Four-way valve malfunction
Check compressor
Turn the operation switch
ON and OFF, then wait
at ON side.
Check on the cause why
overcurrent relay (for
compressor) or
compressor protection
thermostat acted.
After vacuum drying,
charge correct amount of
refrigerant. Then, start
operation again.
NO
YES
YES
YES
Malfunction of compressor
YES
YES
Is the
discharge side of
compressor hot after
unit operation
stop?
Is there
any temperature
difference between
inlet and outlet of
expansion
valve?
Is there
any temperature
difference between
suction side and
delivery side of
four-way
valve?
Power supply
voltage is within
±10 % of specified
voltage.
Is the size
of power cable
through total length
correct?
Does the unit
start operation after
3 minutes?
NO
NO
NO
NO
YES
[Electric system]
[Refrigerant circuit]
Not so hot
NO
(SF034)

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