Daikin 2AMX40G3V1B User Manual

Check SiBE121123_A
217 Service Diagnosis
8.15 Power Module Check
Check No.22
Note: Check to make sure that the voltage between (+) and (–) of the power module (IPM1) is approx.
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 multi-tester. Evaluate the measurement
results for a judgment.

The illustration is for 50 class model as representative.
Negative (–) terminal of
tester (positive terminal
(+) for digital tester)
Power module
(+)
UVW Power module
(–)
UVW
Positive (+) terminal of
tester (negative terminal
(–) for digital tester)
UVW Power module
(+)
UVW Power module
(–)
Resistance is OK. several kΩ ~ several MΩ
Resistance is NG. 0 Ω or ∞
(R18388)
Power module

Daikin 2AMX40G3V1B Specifications

General

Brand	Daikin
Model	2AMX40G3V1B
Category	Air Conditioner
Language	English