Mitsubishi Electric PUHZ-W50VHA Service Manual page 93

SW2 setting
Comp. surface temperature (TH33)
(for W50VHA(R1,R2,R3)/W85VHAR1)
Comp. surface temperature (TH34)
ON
(for HW HA2R3–R7)
•
3 to 217
1 2 3 4 5 6
Outdoor suction pipe temperature (TH33)
(for HW112/140) −39 to 88
ON
1 2 3 4 5 6
LEV-C opening pulse (for HW112/140)
0 to 500
ON
1 2 3 4 5 6
Requested capacity step (Q STEP)
ON
0 to 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
OCH439M
Display detail
93
The black square (
Explanation for display
3 to 217
(When the temperature is 100: or more, the
hundreds digit, tens digit and ones digit are
displayed by turns.)
(Example) When 130:;
0.5 s
−39 to 88
(When the temperature is 0°C or less, "–" and
temperature are displayed by turns.)
(Example) When –15°C;
0.5 s
0 to 500
(When it is 100 pulse or more, hundreds digit are
displayed by turns.)
0 to 7
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
■
) indicates a switch position.
Unit
0.5 s 2 s
1 30
0.5 s 2 s
15
Step
Display
00
01
02
04
08
10
Code
display
20
:
:
: