Mitsubishi Electric PUHZ-W50VHA Service Manual page 51

SW2 setting
Sub cool (SC)
0~130
ON
Cooling: SC = T
1 2 3 4 5 6
Heating: SC = T
Input current of outdoor unit
0~500
ON
1 2 3 4 5 6
LEV-B opening pulse
0~500
ON
1 2 3 4 5 6
U9 error detail history (latest)
ON
1 2 3 4 5 6
Direct current bus voltage
150~400 (W50/85V, HW140V)
ON
300~750 (HW112/140Y)
1 2 3 4 5 6
Capacity save
0 ~ 100
ON
When there is no setting
of capacity save, "100" is
1 2 3 4 5 6
displayed.
Deferred error history (2)
of outdoor unit
ON
1 2 3 4 5 6
Deferred error history (3)
of outdoor unit
ON
1 2 3 4 5 6
Display detail
-TH3
63HS
-TH6
63HS
51
Explanation for display
0~130
(When the SC is 100°C or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
0~500
(When it is 100 or more, hundreds digit, tens digit
and ones digit are displayed by turns.)
0~500
(When it is 100 pulse or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
Error details Cause
(No error)
Over voltage Power PCB
Insufficient
Power PCB
voltage
Input current
Control PCB
sensor error
Abnormal power
Power PCB
synchronous
signal (W50)
PFC error (W50)
(over voltage,
Power PCB
insufficient voltage,
over current)
ACTM error Control PCB
150~400 (W50/85V, HW140V)
300~750 (HW112/140Y)
(When it is 100V or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
0~100
(When the capacity is 100% hundreds digit, tens digit
and ones digit are displayed by turns.)
(Example) When 100%;
0.5 secs.
Deferred error code display
Blinking: being deferred
Lighting: deferment is cancelled
"00" is displayed in case of no deferment.
Deferred error code display
Blinking: being deferred
Lighting: deferment is cancelled
"00" is displayed in case of no deferment.
Code
– 00
01
02
04
08
10
20
0.5 secs. 2 secs.
1 00
Unit
°C
0.1 A
Pulse
Code
display
V
%
Code
display
Code
display