Daikin FTK Series User Manual

DAMA-SM-21-001 Actuator Check
Service Diagnosis 94
5.11 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 (+) or (–) terminal of the
power module and the U, V, or W terminal of the compressor with a multimeter. Evaluate the
measurement results referring to the following table.
Diagram Power Module Check for FTK(X)09/12
Diagram Power Module Check for FTK(X)18/24
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 ∞

Daikin FTK Series Specifications

General

Brand	Daikin
Model	FTK Series
Category	Inverter
Language	English