Mitsubishi Electric PUHZ-W50VHA Service Manual page 90

SW2 setting
Sub cool (SC)
0 to 130
Cooling: SC = T
Heating: SC = T
<From 17U***** (unit No.) onward>
ON
Number of defrost cycles
0 to FFFE
1 2 3 4 5 6
Input current of outdoor unit
ON
0 to 500
1 2 3 4 5 6
LEV-B opening pulse
ON
0 to 500
1 2 3 4 5 6
U9 error detail history (latest)
ON
1 2 3 4 5 6
Direct current bus voltage
150 to 400 (W50/85V, HW140V)
ON
300 to 750 (HW112/140Y)
1 2 3 4 5 6
Capacity save
0 to 100
ON
When there is no setting
of capacity save, "100" is
1 2 3 4 5 6
displayed.
Deferred error history (2)
ON
of outdoor unit
1 2 3 4 5 6
Deferred error history (3)
ON
of outdoor unit
1 2 3 4 5 6
OCH439M
Display detail
−TH3
63HS
−TH6
63HS
The black square (
Explanation for display
0 to 130
(When the SC is 100°C or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
0 to FFFE (in hexadecimal notation)
(When more than FF in hex (255 in decimal), the
number is displayed in order of 16
16 's and 16 's places.
1 0
(Example) When 5000 cycles;
0.5 s
0 to 500
(When it is 100 or more, hundreds digit, tens digit
and ones digit are displayed by turns.)
0 to 500
(When it is 100 pulse or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
Description
Normal
Overvoltage error
Undervoltage error
Input current sensor error
L -phase open error
1
Abnormal power synchronous signal
PFC error (W50V)
(Overvoltage/Undervoltage/Overcurrent)
PFC/ATCM/IGBT error (W50–85V/HW140V)
Undervoltage
• Display examples for multiple errors:
Overvoltage (01) + Undervoltage (02) = 03
Undervoltage (02) + Power-sync signal error (08) = 0A
L phase open error (04) + PFC/ATCM/IGBT error (20) = 24
1
150 to 400 (W50/85V, HW140V)
300 to 750 (HW112/140Y)
(When it is 100 V or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
0 to 100
(When the capacity is 100%, hundreds digit, tens
digit and ones digit are displayed by turns.)
(Example) When 100%;
0.5 s
Deferred check code display
Blinking: being deferred
Lighting: deferment is cancelled
"00" is displayed in case of no deferment.
Deferred check code display
Blinking: being deferred
Lighting: deferment is cancelled
"00" is displayed in case of no deferment.
90
■
) indicates a switch position.
's and 16 's, and
3 2
0.5 s 2 s
9 C4
Display
00
01
02
04
08
10
20
0.5 s 2 s
1 00
Unit
°C
2 cycles
0.1 A
Pulse
Code
display
V
%
Code
display
Code
display