M Design ACP-09CH25AEMI/I, Service Manual

Page: 66 / 89

Tr
o
u
b
le
sh
o
o
ti
n
g
3.2 Field maintenance
Problem Solution
1 Unit will not start Page 65-66
2 Compressor will not start but fans run Page 65-66
3 Compressor and condenser (outdoor) fan will not start Page 65-66
4 Evaporator (indoor) fan will not start Page 65-66
5 Condenser (Outdoor) fan will not start Page 65-66
6 Unit runs, but shortly stops Page 65-66
7 Compressor short-cycles due to overload Page 65-66
8 High discharge pressure Page 65-66
9 Low discharge pressure Page 65-66
10 High suction pressure Page 65-66
11 Low suction pressure Page 65-66
12 Unit runs continuously but insuffiient cooling Page 65-66
13 Too cool Page 65-66
14 Compressor is noisy Page 65-66
15 Horizontal louver can not revolve Page 65-66
 Page 61  