Hitachi HISCREW 2000 Series Instruction Manual page 24

5. TROUBLESHOOTING [Override Operation]
Setting of
④
Override Operation
1 2 3 4 5 6 7 8
DIP Switch
ON
SW1
OFF
CN21 CN22 CN9 CN10 CN11
1 5 1 4 1 2 1 2 1 4
SW1
1 8
HC30CPU−
7 1 5
4 1
CN14 CN4 CN6
運転管理 RUNNING CONTROL
警報 故障
ALARM SHUTDOWN
× 10h
C ： 温度 TEMP Ｅ ： 故障コー ド ERROR CODE
リ セ ッ ト エコモー ド
RESET ECOMODE
表示切替 ドライ ヤー
SELECT DRYER
22
Power
Supply
①
②⑥
③⑤
DIP Switch
SW2
ON
（Setting of U-type
OFF
Capacity Control System）
1 3 4
CN19 CN18 CN12
1 3 1 3 1
CN7
SW2
1 4
1 7 1 5 1 3 1
CN5 CN3 CN13
Printed Circuit Board
⑥
Indicating of
Override Operation
Enabled
5.2.1 Enabling Override Operation
q Press the RESET button.
w Disconnect the power.
e Detach the door (for the 22 kW models) or the
front enclosure panel (for the 37 kW models),
and remove the starter cover.
r Reset the DIP switches (on the printed circuit
board located in the starter/control box) as fol-
lows:
SW1 No. 8: ON (setting of override operation)
SW2 No. 3 & 4: ON & OFF
t Return the door or the front enclosure panel to
their original places.
y Reconnect the power.
The digital monitor displays EE indicating that
the override operation is successfully enabled.
IMPORTANT
Override operation disables the following functions:
– To display the digital monitor (except for EE)
– To turn on (either flashing or not flashing) the ALARM
6
or SHUTDOWN light
– To select a screen by pressing the SELECT button
– To externally output the control signals through the
dry contacts
5.2.2 When Override Operation is not
Allowed
The override operation is not allowed to the fol-
lowing error codes:
E-31: The thermistor TH1 is disconnected or
loosely connected
E-32: The thermistor TH2 is disconnected or
loosely connected
E-41: ROM error (failure of PCB)
E-42: RAM error (failure of PCB)
E-43: E ROM error (failure of PCB)
2
If this is the case, see pages 23 through 24 to take
corrective measures.
IMPORTANT
For the error code E-33 (failure of pressure sensor):
After enabling an override operation, hold down the
SELECT button and connect the power, and press the
START button. Note that this clears the shutdown
history.
(setting of U-type capacity control)