Mitsubishi Electric PUHY-P72 Service Manual page 160

[ IX Troubleshooting ]
Error
Prelimi-
(prelim-
Error nary
inary)
Code error
detail
code
code
6608 - -
6831 - -
6832 - -
6833 - -
6834 - -
7100 - -
7101 - -
7102 - -
7105 - -
7106 - -
7110 - -
7111 - -
7113 - -
7117 - -
7130 - -
The last digit in the check error codes in the 4000's and 5000's and two-digit detail codes indicate if the codes apply to com-
pressor inverter on fan inverter.
Example
Code 4225 (detail code 108): Bus voltage drop in the fan inverter system
Code 4230 : Heatsink overheat protection in the compressor inverter system
The last digit
0 or 1
HWE0804A
Error code definition
No response error
MA controller signal reception error (No signal re-
ception)
MA remote controller signal transmission error
(Synchronization error)
MA remote controller signal transmission error
(Hardware error)
MA controller signal reception error (Start bit de-
tection error)
Total capacity error
Capacity code setting error
Wrong number of connected units
Address setting error
Attribute setting error
Connection information signal transmission/recep-
tion error
Remote controller sensor fault
Function setting error
Model setting error
Incompatible unit combination
Compressor inverter system
5 Fan inverter system
- 151 -
Searched unit
O O
O
O
O
O
O
O O
O
O
O
O
O
O
O
Inverter system
Notes
O O
O
O
O
O
O
O
O
GB