Cooling Operation - Midea MPM1-10CEN1-BB6 Technical & Service Manual

8.4.5 Malfunction
LCD or LED display
P2
P1
E3
E2
E1
8.5

Cooling operation

8.5.1 At cooling mode, the range of work is 17'C~30'C (62'F ~88'F).
8.5.2 The fan setting: AUTO, low, middle, high, turbo.
8.5.3 The action of compressor at cooling mode:
The inner fan motor will start when the unit into cooling mode, the outer fan motor work status
needs according to the TA-TS and the water level.
If the water level is exceed WL1 and below WL3 or WL4, the outer fan motor start at once,
otherwise, the fan motor work status according to the compressor status.
If the TA-TS>1, the outer fan motor on and the compressor will start after 13 s.
If the TA<TS, the compressor off and the fan motor will stop after 13 s.
See the below graph.
8.5.4 The compressor status was judged by TA and TS, but the compressor will work 5
minutes at least for each start up. If the TS changed during this period, judge TS and
TA at once, the 5 minutes wait will be cancel.
8.5.5 If shutdown unit at cooling mode, the inner and outer fan will stop after 15 second. If
turn from cooling mode to heating mode or dry mode, the outer fan motor will stop after
15 s.
8.5.6 Auto fan at cooling mode.
The fan motor speed is decided by the TA and TS different.
If the inner fan is at low wind and TA-TS≥1'C, the fan motor turn to middle fan and the
continue running 1 minute at least.
If the inner fan is at middle wind and TA-TS≥1'C, the fan motor turn to high fan and continue
running 1 minute at lease.
If the inner fan is at middle wind and TA=TS, the fan motor maintain the middle wind and
continue running 1 minute at lease.
18
Malfunction
Water full protection.
Drainage protection.
T3 sensor malfunction.
T2 sensor malfunction.
T1 sensor malfunction.
Electronic function