Multi F Four-Way Ceiling Cassette Service Manual

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Part 5. Trouble Shooting

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Only for training and service purposes

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PFCM :

Measuring resistance

between No.19,20 pin

IPM :

Measuring resistance

between No.24,25 pin

36k

54k

Location of SPM /PSCM /PFCM

A: PSCM /PFCM

B: SPM