Chapter 7 Alarms Function
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CAUTION
Before doing the check of the malfunction cause and recovery, always
perform the power breaker of control panel “OFF”.
The work with power “ON”, causes the trouble and the accident.
Don't do absolutely.
When the malfunction occurs during operation of the equipment, the
protection unit operates, the alarm character is displayed in the control
panel and the alarm buzzer sounds and informs the malfunction.
When pushing Reset key, the buzzer stops.
Alarm
indicator
Character
indicator
Malfunction contents/Interlock
Measure
Reverse phase
E1
Occurs when the connection
of the power code becomes
the reverse phase.
Power supply connection and
perform the positive phase.
Dry blower
Over load
E2
Occurs when the over-current
flows through the blower and
the thermal relay of the
electromagnetic switch unit
does the trip.
The operation stops
automatically.
Refer to CHAPTER 8.
Troubleshooting and restore
extraordinary occurrence
cause.
↓
Open a control panel and
press the reset button of the
thermal relay.
↓
When pushing a Reset switch
after cancellation of the
malfunction cause, the
character indicator turns off.
Convey blower
Over load
E3※
Dry temperature
or regeneration
temperature upper
limit
E4
Occurs when the dry
temperature or regeneration
temperature become above
the setting temperature +
upper limit setting
temperature.
The operation stops
automatically.
Refer to CHAPTER 8.
Troubleshooting and restore
extraordinary occurrence
cause.
↓
When pushing a Reset switch
after cancellation of the
malfunction cause, the
character indicator turns off.
Dry sensor
broken
E5
When wiring for the
thermocouple (CA sensor)
and the thermocouple for the
dryness are broken.
The operation stops
automatically.
Refer to CHAPTER 8.
Troubleshooting and restore
extraordinary occurrence
cause.
↓
When pushing a Reset switch
after cancellation of the
malfunction cause, the
character indicator turns off.
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