Mitsubishi Electric PURY-M200YNW-A1 Service Handbook page 180

[7-1 Error Code and Preliminary Error Code Lists ]
<Fan inverter>
INV board Outdoor units
(E)M200
(E)M250
(E)M300
INVS/19Y (E)M350
(E)M400
(E)M450
(E)M500
[HBC]
The HBC controller has a pump inverter, power-supply board, and valve-block board. The last digit of the error codes in the
4000's and the 5000's and of the two-digit detail code distinguishes which item the error applies to.
Example
4305 (Detail 05)
4308 (Detail 08)
4501 (Detail X1)
Serial communication error → Pump inverter
Serial communication error → Power-supply board
Serial communication error → Valve-block board
The last digit
0 or 1 or 4
<Pump inverter>
INV board
CMB-WM350F-AA
INV/S20
CMB-WM500F-AA
BS_07_M
Overload protec-
tion Imax (Arms)
3.9
4.5
3.9
5 or 6
8
Overload protec-
HBC
tion Imax (Arms)
5.0
Current effective Current peak value
value error (Arms)
Off
Inverter system
Valve-block board
Pump inverter
Power-supply board
Current effective Current peak value
value error (Arms)
On
Temperature pro-
error (Apeak) tection TOL (°C)
7.0
Off
8.5
7.0
Temperature pro-
error (Apeak) tection TOL (°C)
8.0 90
7
chapter 7 -