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Check
SiBE12-816_D
271
Service Diagnosis
8.14 Power Module Check
Check No.22
Note:
Check to make sure that the voltage between (+) and (–) of the diode bridge (DB1) 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 DB1 and
the terminals of the compressor with a multi-tester. Evaluate the measurement results for a
judgment.
Negative (–) terminal of
tester (positive terminal
(+) for digital tester)
DB1 (+)
UVW
DB1 (–)
UVW
Positive (+) terminal of
tester (negative terminal
(–) for digital tester)
UVW
DB1 (+)
UVW
DB1 (–)
Resistance in OK
several k
Ω
~ several M
Ω
Resistance in NG
0
Ω
or
∞
Содержание 2MKS40G2V1B
Страница 12: ...SiBE12 816_D 1 List of Functions Part 1 List of Functions 1 Functions 2 1 1 Cooling Only 2 1 2 Heat Pump 5 ...
Страница 180: ...SA Indoor Unit FFQ Series SiBE12 816_D 169 Operation Manual 2 Start 5s 5s 5s 5s 5s End ...
Страница 290: ...Outdoor Unit SiBE12 816_D 279 Removal Procedure 15 Lift and remove the electrical box Step Procedure Points R12537 ...