Hitachi NEXT Series User Manual

36
4. TROUBLESHOOTING
4.1 Protective Device
If a shutdown, alarm, problem or failure occurs, investigate the cause and take proper corrective action
before restarting. If there is any questions or comments, contact the local HITACHI distributor/master
dealer or representative office.
The air compressor is provided with the protective devices listed below. If shutdowns are detected by these protective
devices, remove the cause with referring to the LCD monitor indication and this manual, and then press the RESET
button to clear the shutdown indication. Depending on the type of shutdown, contact the local HITACHI distributor/
master dealer or representative office.
■ When connecting the power
LCD Indication
What and How to Detect
Failure
Light
Detector Shutdown What Actions to Take
How to
Reset
History
code
Error
code
Heading Trouble Description
POWER
Reversal phase connection
(Note 3)
Detected for 3 seconds
after connecting the
power
SHUTDOWN
Blinks
CPU
(Note 2)
Yes
Reconnect the power cable tightly, check the
power supply and incoming power for loose
connections and change the connection
location of 2 of the 3 phases, be sure to follow
all electrical safety procedures. (
4.2)
Press RESET
button.
01 E0.01
Phase-lacking connection
CPU
(Note 2)
Yes
Reconnect the power cord tightly, check the
power supply, and take a corrective remedy.
02 E0.02
Instantaneous power
interruption
Power interruption for
1 to 5 sec.
-
CPU
Restart page 39
-
03 E0.03
Brief instantaneous power
interruption
Power interruption for
1 sec or less.
CPU
Restart page 39 04 E0.04
CAUTION
■ During Operation (Note 1)
LCD Indication
What and How to Detect
Failure
Light
Detector Shutdown What Actions to Take
How to
Reset
History
code
Error
code
Heading Trouble Description
SHUTDOWN
1st stage discharge air
temperature
(HIGH DIS. TEMP. 1)
About 437 [419]℉
〈225 [215]℃〉 or higher
SHUTDOWN
Blinks
Thermistor Yes 4.2
Press RESET
button.
55 E0.55
2nd stage discharge air
temperature
(HIGH DIS. TEMP. 2)
󱾀 For working pressure of
100psi 0.69 MPa : About 446 [428]℉
 〈230 [220]〉℃ or higher
󱾀 For working pressure of
125 psi 〈0.86 MPa〉 : About 500 [482]℉
 〈260 [250]℃〉 or higher
SHUTDOWN
Blinks
Thermistor Yes 4.2
Press RESET
button.
56 E0.56
Interstage Pressure
(INTSTG. P)
󱾀 For fi xed Speed type: 39 psi
〈0.27 MPa〉 or higher
󱾀 For Vtype : 44 psi 〈0.30 MPa〉 or
higher
SHUTDOWN
Blinks
Pressure
sensor
Yes 4.2
Press RESET
button.
52 E0.52
2nd stage suction air temperature
(2ND SUCT. TEMP)
163 [158]℉
73 [70]℃ or higher
SHUTDOWN
Blinks
Thermistor Yes 4.2
Press RESET
button.
5B E0.5B
Oil temperature
(OIL HIGH TEMP)
163 [158]°F
73 [70]℃ or higher
SHUTDOWN
Blinks
Thermistor Yes 4.2
Press RESET
button.
58 E0.58
Oil pressure
(OIL LOW PRESS)
󱾀 For fi xed Speed type:
12 psi 〈0.08 MPa〉 or lower
󱾀 For Vtype:12 psi 〈0.08 MPa〉or
lower (operating Freq. 45 Hz or
higher) 6 psi 〈0.04MPa〉or
lower
(operating Freq. Less than 110Hz)
SHUTDOWN
Blinks
Pressure
sensor
Yes 4.2
Press RESET
button.
5C E0.5C
Overloading (Main motor)
(OVERLOAD: MAIN)
[Fixed speed and Vtype]
Detected during operation
SHUTDOWN
Blinks
Thermal
relay
Yes 4.2
Press RESET
button.
17 E0.17
Overloading (Main motor)
(OVERLOAD: MAIN)
[Fixed speed type]
239℉ 〈115℃〉 or more on the
motor surface of load side
bearing.
SHUTDOWN
Blinks
Thermostat
for Main
Motor
Yes 4.2
Press RESET
button.
17 E0.17
Overloading (Fan motor)
(OVERLOAD: SUB)
Detected during operation
SHUTDOWN
Blinks
Thermal
relay
Yes 4.2
Press RESET
button.
53 E0.53
Overloading (Fan motor)
(CONTACTOR ERR: 52)
[Water-cooled type] [Vtype]
Detected during operation
SHUTDOWN
Blinks
Thermal
relay
Yes 4.2
Press RESET
button.
51 E0.51
Answer error of 52
(CONTACTOR ERR: 52)
Detected during operation or
Emergency stop in Y.
SHUTDOWN
Blinks
CPU Yes
Disconnect the power. Check
the 52 for proper operation and
the wires for tightness .
Press RESET
button.
51 E0.51
Answer error of 42
(CONTACTOR ERR: 52)
Detected during operation or
emergency stop in Δ
SHUTDOWN
Blinks
CPU Yes
Disconnect the power. Check the
6 and 42 for proper operation
and the wires for tightness.
Press RESET
button.
16 E0.16

Hitachi NEXT Series Specifications

General

Brand	Hitachi
Model	NEXT Series
Category	Air Compressor
Language	English