Ipm For Four Or Five Zone; Main Board - Carrier 38MGR Series Service Manual

DIAGNOSIS AND SOLUTION (CONT)
The main board LED when power is on and the unit is in standby.
Check the point button. Press one time to determine how many indoor units are connected.
38MGR-04SM
Fig. 45 — IPM for four or five zone
Fig. 46 — Main Board
Fig. 47 — Main Board
Specifications subject to change without notice.
Pic 2: IPM (For four or five zone)
Standby
Power
39