Mitsubishi Electric PUZ-HWM140VHA, Руководство по обслуживанию

Страница: 51 / 74

51
OCH748
SW2 setting Display detail Explanation for display Unit
Secondary LEV opening pulse
0 to 500
Heating: LEV-A
Cooling: LEV-B
0 to 500
(When it is 100 pulse or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
Pulse
U9 error detail history (latest)
Description Display
Normal 00
Overvoltage error 01
Undervoltage error 02
Input current sensor error
L
1
-phase open error
04
Abnormal power synchronous signal 08
PFC error
(Overvoltage/Undervoltage/Overcurrent)
10
Display examples for multiple errors:
Overvoltage (01) + Undervoltage (02) = 03
Undervoltage (02) + Power-sync signal error (08) = 0 A
L
1
phase open error (04) + PFC error (10) = 14
Code
display
DC bus voltage
100 to 1023
100 to 1023
(When it is 100 V or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
V
Communication demand capacity
0 to 255
0 to 255
When the communication demand is not set, “100” is
displayed.
%
Error postponement code history (2)
of outdoor unit
Postponement code display
Blinking: During postponement
Lighting: Cancellation of postponement
“00” is displayed in the case of no postponement.
Code
display
Error postponement code history (3)
of outdoor unit
Postponement code display
Blinking: During postponement
Lighting: Cancellation of postponement
“00” is displayed in the case of no postponement.
Code
display
Error history (3) (Oldest)
Alternate display of abnormal unit
number and code
When no error history, “0” and “– –“ are displayed by
turns.
Code
display
Error thermistor display
When there is no error thermistor,
“–“ is displayed.
3: Liquid pipe temperature (TH3),
Suction pipe temperature (TH32)
4: Discharge pipe temperature (TH4)
6: 2-phase pipe temperature (TH6)
7: Ambient temperature (TH7)
8: Heat sink temperature (TH8)
33: Comp. surface temperature (TH33)
34: Plate HEX liquid pipe thermistor (TH34)
Code
display
Operation frequency on error occurring
0 to 255
0 to 255
(When it is 100 Hz or more, hundreds digit, tens digit
and ones digit are displayed by turns.)
(Example) When 125 Hz;
0.5 s 0.5 s 2 s
Hz
Fan step on error occurring
0 to 16
0 to 16
Step
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
The black square (
■
) indicates a switch position.
25
1
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6