Hitachi HISCREW V PLUS NEXT Series Instruction Manual page 27

5. TROUBLESHOOTING [SHUTDOWN/ALARM Indications on the Instrument Panel]
A/S Category of
Light: Action
Code Problem
E0.47
E0.48
Failed control
SHUTDOWN:
E0.43
device
On (blinking)
E0.41
E0.42
E0.46
※※
E0.44 Controller
SHUTDOWN:
retrying action
※
On (blinking)
Answer error of
SHUTDOWN:
E0.51
contactor 52
On (blinking)
E0.57
SHUTDOWN:
Fan inverter abnormality
※※※ On (blinking)
Controller com-
SHUTDOWN:
E0.65
munication error
On (blinking)
Fan inverter com-
SHUTDOWN:
E0.66
munication error
On (blinking)
E0.63
Communication
SHUTDOWN:
E0.67
error (option)
On (blinking)
E0.68
Instantaneous power
AUTO START:
interruption (IPS) （option）
- On (blinking)
Instantaneous power
＊＊
interruption (IPS)
Clogged air
ALARM:
E0.21
intake fi lter
On (blinking)
Low oil Level
ALARM:
E0.22
(option)
On (blinking)
U100 Excessive load/
ALARM:
Blinking unload
On (blinking)
ALARM: Alternate operation
E0.61
On (blinking) abnormality (option)
Schedule operation
ALARM:
E0.62
abnormality (option)
On (blinking)
Battery replacement
ALARM:
E0.64
(option)
On (blinking)
Controller fi ns
ALARM:
E0.81 temperature
On (blinking)
elevation
* Discharge air temperature 1: Temperature at the outlet of the air end
Discharge air temperature 2: Temperature at the outlet of the oil separator element
※ T he retrying action is executed when the RUN signal is not returned from the controller after the operation command is output
from the control board to the controller. If the RUN signal is not returned within 10 minutes after implementation of three retries,
the system judges the situation as a failure.
※※ AUTO START light blinks.
※※※ The AUTO START light continues to blink for operation preparation for 10 seconds after the RESET button is pressed, even if
the START button is pressed.
Automatically reset ‥‥‥‥‥‥‥‥‥‥ Automatically reset when detected section returns to normal range.
Disconnect and reconnect the power ‥‥ Turn the power off once. After performing countermeasures, automatically reset when the
Press the RESET button‥‥‥‥‥‥‥‥ After performing countermeasures, reset by pressing RESET button on instrument panel.
HISCREW
Causes
Shutdown
Failure of ROM
Yes
(or printed circuit board)
Disconnect and reconnect the power.
Failure of RAM
Yes If a problem still occurs, replace the
(or printed circuit board)
printed circuit board.
Failure of EEPROM
Yes
(or printed circuit board)
Yes ROM error (option)
Yes RAM error (option)
Yes EEPROM error (option)
No Power cable abnormality
Controller and Check the controller and compressor
Yes
compressor abnormality for abnormality.
Failure of contac- Disconnect the power and check the
Yes tor 52 (52 answer 52. Tightly reconnect the 52 wires.
error) Replace the 52 if necessary.
Fan inverter ab-
Yes see p. 26
normality
Communication trou-
Yes ble between controller Check wiring, connector, noise, etc.
and control board
Communication
trouble between
Yes fan inverter and Check wiring, connector, noise, etc.
CPU printed cur-
cuit board
Yes
Yes
−
Yes
No −
IPS of below 5
No Check the power supply.
seconds
Clogging of air
No Clean the air intake fi lter element.
intake fi lter
No
−
Total 1,000,000
Replace the consumable parts of suc-
No times loaded /
tion throttle valve.
unloaded
No
−
No −
No
−
Dirty or clogged
controller fi ns, oil Clean cooling fi ns of the controller, oil
No
cooler fins, and cooler, and after-cooler.
after-cooler fi ns
power is turned back on.
What Actions to Take Mark
−
−
−
−
−
−
−
−
What and
How to Reset
How to Detect
Disconnect
and reconnect
Retrying action
the power.
(Cannot be reused)
− − −
Automatically reset.
Controller's
−
Press the
RUN signal
RESET button.
Detected
Press the
during start
RESET button.
operation
Fan inverter
Press the
detected
RESET button.
Communica-
Press the
tion retry times
RESET button.
exceeded
Communica-
Press the
tion retry times
RESET button.
exceeded
− − −
− − −
IPS of 20 ms
− −
to 5 seconds
Pressure differ-
Press the
ential of 7.47 kPa
RESET button.
− − −
Hold down
1,000,000 REMOTE and
times press SELECT
for 7 second.
− − −
− − −
− − −
Controller fi n
Automatically
temperature of
reset.
95℃ or more
A/S
History
47
48
43
41
42
46
44
51
57
65
66
63
67
68
03
04
21
22
−
61
62
64
64
25