Mitsubishi Electric CITY MULTI PEFY-WP40VMA-E Technical & Service Manual page 23

[ VII Troubleshooting ]
(4) Drain float switch (CN4F)
Disconnect the connector, and measure the resistance between terminals with a volt meter.
(A)
1
2
3
4
Position of the moving part
Up
Down
HWE1114B
(A) Moving part
(B) Switch
(B)
(C) Magnet
(C)
(A)
Normal
Short (any position but short)
Open (any position but open)
- 18 -
Abnormal
GB