Daikin FTK(X)M-P Series User Manual

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 kΩ ~ several MΩ
Resistance is NG. 0 Ω or ∞
WV U
DC+
DC–
(R22378)

Daikin FTK(X)M-P Series Specifications

General

Brand	Daikin
Model	FTK(X)M-P Series
Category	Heat Pump
Language	English