Daikin ESIE13-02 Service Manual page 107

ESIE13-02
Troubleshooting
properly connected to the
Measure the voltage
between the connector pins
(1) and (3) above.
(refer to *1)
See also


Is the
NO
stop valve open?
YES
Is it in
NO
cooling operation?
YES
(In cooling operation)
Is the
pressure sensor
(connector X17A)
(A1p) PC board?
Remove the thermistor from the
outdoor PC board and measure
YES
resistance between the pins (5)
and (6).
Is the
relation
NO
between low pressure
and voltage normal?
(refer to *2)
YES
Is low
pressure
abnormally low?
Check 7
NO
"Check No.7 - Evaluation of Abnormal Low Pressure" on page 157.
"Check No.11 - Outdoor Unit: Check for Power Transistor" on page 160.
Open the stop valve.
Is
the heat
exchanger distribution
NO
pipe thermistor (connector :
Connect the connector properly.
X12A) properly connected
to the outdoor PC
board?
Replace the low pressure
sensor.
Is it
NO
normal?
Replace the group thermistor.
Check 11
Replace the low pressure
sensor.
YES
NO
* Replace the outdoor PC board (A1P) ERHQ***V3* / ERLQ***V3*
* Replace the Control PC board (A1P) ERHQ***W1* / ERLQ***W1*
[* Replace the PC board equipped with resin case.]
Correct the refrigerant system defect
107
Error Codes: Outdoor Units
Part 4 – Troubleshooting
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3
4 4
5