24
5. TROUBLESHOOTING [SHUTDOWN/ALARM Indications on the Instrument Panel]
A/S
Code
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
Yes
No
No
E-31
E-32
E-33
E-41
E-42
E-43
E-21
E-59
E-22
E-15
E-54
–
SHUTDOWN:
On (flashing)
SHUTDOWN:
On (flashing)
SHUTDOWN:
On (flashing)
SHUTDOWN:
On (flashing)
SHUTDOWN:
On (flashing)
SHUTDOWN:
On (flashing)
ALARM:
On (flashing)
ALARM:
On (flashing)
ALARM:
On (flashing)
SHUTDOWN:
On (flashing)
ALARM:
On (flashing)
AUTO START:
On (flashing)
Failed or discon-
nected temperature
sensor 1
Failed or discon-
nected temperature
sensor 2
Failed or
disconnected
pressure sensor
Failed control
device
Failed control
device
Failed control
device
Clogged air
intake filter
Excessive load/
unload
Low oil level
(option)
Option
Option
Instantaneous
power
interruption
(IPS)
Failure or
disconnection of
thermistor TH1
Failure or
disconnection of
thermistor TH2
Failure or discon-
nection of pressure
sensor PS
Failure of ROM
(or printed
circuit board)
Failure of RAM
(or printed
circuit board)
Failure of E
2
ROM
(or printed circuit
board)
Clogging of air
intake filter
Total 1,000,000
times loaded/
unloaded
Low oil level
IPS of below 5
seconds
IPS of below 5
seconds
Disconnect the power and check the TH1.
Replace it if necessary. Tightly reconnect
the TH1 wires.
Disconnect the power and check the TH2.
Replace it if necessary. Tightly reconnect
the TH2 wires.
Disconnect the power and check the PS.
Replace it if necessary. Tightly reconnect
the PS wires.
Disconnect and reconnect the power. If a
problem still occurs, replace the printed
circuit board.
Disconnect and reconnect the power. If a
problem still occurs, replace the printed
circuit board.
Disconnect and reconnect the power. If a
problem still occurs, replace the printed
circuit board.
Clean the air intake filter element.
Replace the consumable parts of suction
throttle valve.
Check the power supply.
Check the power supply.
Automatically
reset.
Automatically
reset.
Automatically
reset.
Disconnect and
reconnect the
power.
Disconnect and
reconnect the
power.
Disconnect and
reconnect the
power.
Press the
RESET button.
Hold down
SELECT and
press RESET.
Operating
temperature
below –30
°
C
Operating
temperature
below –30
°
C
0 (zero) MPa
during
operation.
Retrying action
Retrying action
Retrying action
Pressure
differential of
7.4 kPa
1,000,000 times
IPS of 20 ms to
5 seconds
IPS of below 20
ms
Light:
Action
Category of
Problem
A
Shutdown
Causes
What Actions to Take
Mark
What and How
to Detect
How to
Reset
A/S
History
31
32
33
41
42
43
21
59
22
15
54
03
04
* Discharge temperature 1: Temperature at the outlet of the air end
Discharge temperature 2: Temperature at the outlet of the oil separator element
