Mitsubishi Electric CMB-WM108V-AA Service Handbook page 142

[ VIII Troubleshooting ]
Prelimi-
(prelim-
Error nary
Code error
code
5161 -
5162 -
5163 -
5164 -
5165 -
5166 -
5167 -
5168 -
5169 -
5170 -
5171 -
5172 -
5173 -
5174 -
5175 -
5176 -
5177 -
5178 -
5201 1402
5301 4300
5701 -
6600 -
HWE1708A
Error
inary) Error code definition
detail
code
Temperature sensor
-
fault
(Sub-HBC)
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
High-pressure sensor fault
-
(Outdoor unit HPS/HBC controller PS1)
[115] ACCT sensor fault
[117] ACCT sensor circuit fault
[119] Open-circuited IPM/Loose ACCT connector
[120] Faulty ACCT wiring
- Loose float switch connector
- Address overlaps
1st port returned water
temp. (TH31a)
2nd port returned water
temp. (TH31b)
3rd port returned water
temp. (TH31c)
4th port returned water
temp. (TH31d)
5th port returned water
temp. (TH31e)
6th port returned water
temp. (TH31f)
7th port returned water
temp. (TH31g)
8th port returned water
temp. (TH31h)
9th port returned water
temp. (TH31i)
10th port returned water
temp. (TH31j)
11th port returned water
temp. (TH31k)
12th port returned water
temp. (TH31l)
13th port returned water
temp. (TH31m)
14th port returned water
temp. (TH31n)
15th port returned water
temp. (TH31o)
16th port returned water
temp. (TH31p)
Water-side outlet temp. of
Heating-main heat ex-
changer (TH32)
Water-side outlet temp. of
Cooling-main heat ex-
changer (TH33)
- 133 -
Searched unit
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O O
O
O
O
O
O
O O O O O
Notes
GB