Mitsubishi Electric PUHZ-W85VHA Service Manual page 34

SW2 setting
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
ON
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
Error code history (3) (Oldest)
Faulty unit number and error code are
displayed alternately.
ON
1 2 3 4 5 6
Error thermistor display
When there is no error thermistor,
ON
"–" is displayed.
1 2 3 4 5 6
Display detail Explanation for display
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
ACTM error Control PCB
150~400
(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.
When no error history, "0" and "– –" are displayed by
turns.
3: Liquid pipe thermistor (TH3)
3: Water inlet temp. thermistor (TH32)
6: Plate HEX liquid pipe thermistor (TH6)
7: Ambient temp. thermistor (TH7)
8: Heatsink thermistor (TH8)
34
Code
– 00
01
02
04
20
0.5 secs. 2 secs.
1 00
Unit
Pulse
Code
display
V
%
Code
display
Code
display
Code
display
Code
display