Main Circuit Short Check - Daikin CTXU25G2V1B Service Manual

SiBE12-908
3.13

Main Circuit Short Check

Check No.29
(–) terminal of the tester
(in case of digital,
(+) terminal)
(+) terminal of the tester
(in case of digital,
(–) terminal)
Resistance in OK
Resistance in NG
Service Diagnosis
Measure the resistance between pins at both ends of DB1.
If the resistance is ∞ or less than 1 k Ω , the main circuit short.
~several MΩ
(~) (+)
(+) (~)
several kΩ
∞
∞
0 or 0
Check
(~) (–)
(–) (~)
several kΩ
∞
~several MΩ
∞
0 0 or
171