Daikin ESIE13-02 Service Manual page 62

Troubleshooting
1
Troubleshooting
3
4
5
Caution
Part 4 – Troubleshooting
Turn the operation switch
ON and OFF, then wait at
ON side.
Does the unit
start operation after 3
minutes?
NO
Is the
discharge side of
compressor hot after
unit stop?
YES
Check on the cause why
overcurrent relay (for
compressor) or compressor
protection thermostat acted.
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be
occurred.
YES
[Electric system]
Power supply
voltage is within ±10 % of
specified voltage.
NO
Not so hot YES
Is the
size of power cable
through total length
correct?
[Refrigerant circuit]
YES
After vacuum drying, charge
correct amount of refrigerant. Then,
start operation again.
Is there any
temperature difference
between inlet and outlet of
expansion
valve?
YES
Is
there any
temperature difference
between suction side and
discharge side of four-
way valve?
YES
Malfunction of compressor
62
ESIE13-02
Normal. Unit is in 3-min
standby mode
NO
Contact power company.
Check compressor.
NO
Replace power cable.
NO
Expansion valve
malfunction
NO
Four-way valve
malfunction
Check compressor.