Mitsubishi Electric PUHZ-W85VHA Service Manual page 36

SW2 setting
Sub cool (SC) when error occured.
0~130
ON
Cooling: SC = T
Heating: SC = T
1 2 3 4 5 6
Compressor operation duration before
the unit stops with error
0~999
ON
1 2 3 4 5 6
Maximum frequency when
error occured
ON
0~150
1 2 3 4 5 6
Requested capacity step when error
occured
ON
0~7
1 2 3 4 5 6
Compressor frequency control status
ON
1 2 3 4 5 6
Requested capacity step (Q STEP)
ON
0~7
1 2 3 4 5 6
U9 Error details (To be shown while
error call is deferred.)
ON
1 2 3 4 5 6
Display detail
-TH3
63HS
-TH6
63HS
Explanation for display
0~130
(When the temperature is 100°C or more, hundreds
digit, tens digit and ones digit are displayed by
turns.)
(Example) When 115°C;
0.5 secs.
0~999
(When it is 100 minutes or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
(Example) When 415 minutes;
0.5 secs.
0~150
(When it is 100 Hz or more, hundreds digit, tens
digit and ones digit are displayed by turns.
(Example) When 105 Hz;
0.5 secs.
0~7
The following code will be a help to know the operat-
ing status of unit.
•Ten place (left side):
Compressor frequency control
Display
Input current restriction control
1
Compressor current restriction control
2
•First digit (Total figure of the corresponding relays
are displayed.)
Compressor frequency control
Display
1 Discharge temp.control(not to over rise).
Condensing temp.control(not to over rise).
2
Freezing protection control
4
Heatsink temp.control(not to over rise).
8
When the following 3 points are under control;
(1) Input current restriction control.
(2) Condensing temp. control (not to over rise).
(3) Heatsink temp. control (not to over rise).
0~7
Error details Cause
(No error)
Over voltage Power PCB
Insufficient
Power PCB
voltage
Input current
Control PCB
sensor error
ACTM error Control PCB
36
0.5 secs. 2 secs.
1 15
0.5 secs. 2 secs.
4 15
0.5 secs. 2 secs.
1 05
LED
Code
– 00
01
02
04
20
Unit
:
Minute
Hz
Step
Code
display
Step
Code
display