Mitsubishi Electric ecodan PUHZ-W50VHA2, Service Manual

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35
U9 error detail history (latest)
Normal
Overvoltage error
Undervoltage error
Input current sensor error
Abnormal power synchronous signal
PFC error
Overvoltage/overcurrent
•
Display examples for multiple errors:
Overvoltage (01) + Undervoltage (02) = 03
Undervoltage (02) + Power-sync signal error (08) = 0A
Description Display
00
01
02
04
08
10
0 to FFFE (in hexadecimal notation)
(When more than FF in hex (255 in decimal), the
number is displayed in order of 16
3
's and 16
2
's, and
16
1
's and 16
0
's places.
(Example) When 5000 cycles;
0.5 s 0.5 s 2 s
1
ON
2 3 4 5 6
0.1 A
Input current of outdoor unit
0 to 500
0 to 500
(When it is 100 or more, hundreds digit, tens digit
and ones digit are displayed by turns.)
1
ON
2 3 4 5 6
Pulse
LEV-B opening pulse
0 to 500
0 to 500
(When it is 100 pulse or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
Code
display
Direct current bus voltage
150 to 400
150 to 400
(When it is 100 V or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
V
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
Code
display
Deferred error history (2)
of outdoor unit
Deferred check code display
Blinking: being deferred
Lighting: deferment is cancelled
“00” is displayed in case of no deferment.
Code
display
Deferred error history (3)
of outdoor unit
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
Deferred check code display
Blinking: being deferred
Lighting: deferment is cancelled
“00” is displayed in case of no deferment.
1
ON
2 3 4 5 6
%
When there is no setting
of capacity save, “100” is
displayed.
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 0.5 s 2 s
00 1
Capacity save
0 to 100
The black square (
■
) indicates a switch position.
2 cycles
Number of defrost cycles 0 to FFFE
C4 9
SW2 setting
Display detail
Explanation for display Unit
OCH605A