Hitachi SAMURAI Series Service Manual page 123

4. Troubleshooting
Process of abnormality of Inverter for Fan
Retry indication of Inverter for Fan and List of alarm indications
Description of
Abnormality
Error signal detection
Instantaneous
FAN Overcurrent retry
Overcurrent
Fin Temp Increase FAN Fin temp retry
Electronic Thermal FAN Thermal retry
Undervoltage FAN Undervoltage retry
Overvoltage FAN Overvoltage retry
Transmission FAN Transmission
Abnormality abnormality retry
Momentary power FAN momentary power
failure detection
FAN Microcomputer reset
Microcomputer Reset
Earth Detection FAN Earth detection retry
Abnormality in Current FAN Current sensor
Detection Circuit abnormality retry
Driving Prohibition
FAN Driving area retry
Area
FAN Control abnormality
Control Abnormality
Synchronism Loss FAN Synchronism loss
Detection
All Fans simultaneously
All FAN abnormality retry
stopped
(*) The right 7-segments display indicates the fan number (1,2,3 or 4)
Press the button with Cycle No.
115
SMGB0082 rev.1 - 07/2015
Retry display
LCD indication Segment
[Fan status] indication
FAN Error retry —
—
—
—
F1-P8
F1-P8
F1-P8
—
failure retry
—
retry
—
—
—
—
retry
—
detection retry
F1-P7
Switch displays with the button
No.1 ｻｲｸ
ﾙ
Alarm Display
LCD indication LCD indication
[Status screen] [Fan status]
FAN Error detection FAN Error
(Fan: Unit number (*)) detection
FAN Overcurrent (Fan:
Unit number (*)) Overcurrent
FAN Fin temp increase FAN Fin Temp
(Fan: Unit number (*)) Increase
—
FAN Undervoltage retry
(Fan: Unit number (*)) Undervoltage
FAN Overvoltage (Fan:
Unit number (*)) Overvoltage
FAN Transmission
(Fan: Unit number (*)) Transmission
—
—
FAN Earth detection Fan Earth
(Fan: Unit number (*)) Detection
FAN Current sensor FAN Current
(Fan: Unit number (*)) sensor
—
—
—
—
Segment
indication
F1-2
(1-4)(*)
Fan
—
— —
Fan
F1-5
(1-4)(*)
Fan
F1-5
(1-4)(*)
Fan
F1-4
(1-4)(*)
— —
— —
F1-1
(1-4)(*)
F1-8
(1-4)(*)
— —
— —
— —
— —
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