Carrier 38MGRBQ18B-3 - Page 55

38MGRBQ: Service Manual
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
55
E5/ PC 10/PC 11/PC 12 (Over-voltage or under-voltage protection) diagnosis and solution (Cont)
IPM board
(for 5-zone)
Bridge rectifier
(
for 5-zone
)
Remark:
Measure the DC voltage
between + and - port. The
normal value should be
190V~250V.
IPM Module
for 5 - zone