Daikin FTK(X)M-P Series, Руководство по обслуживанию

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SiMT041509E Check
Service Diagnosis 90
5.13 Power Module Check
Check No.22 Check to make sure that the voltage between (+) and (–) of the power module is
approximately 0 V before checking.
„
Disconnect the compressor harness connector from the outdoor unit PCB. To disengage the
connector, press the protrusion on the connector.
„
Follow the procedure below to measure resistance between the terminals of the power
module and the terminals of the compressor with a multimeter. Evaluate the measurement
results referring to the following table.
Positive terminal (+) of
digital multimeter Power module
(+)
UVW Power module
(–)
UVW
Negative terminal (–) of
digital multimeter UVW Power module
(+)
UVW Power module
(–)
Resistance is OK. several k
Ω
~ several M
Ω
Resistance is NG. 0
Ω
or
∞
W V U
DC+
DC–
(R22378)