grandimpianti EB10, Use And Maintenance

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9.2 DETAILED DESCRIPTION OF THE ALARMS WITH WHICH THE MACHINE IS SUPPLIED
ALARM E1 EXTRACTION MOTOR CIRCUIT BREAKER
DESCRIPTION ON DISPLAY E1: extraction motor overload
DESCRIPTION There has been over-heating/overloading or a short circuit of the extraction motor.
BUZZER ACTIVATION The activation of the BUZZER is envisioned immediately.
ALARM RESET The alarm is removed by switching the machine off and back on again.
WHAT TO CONTROL
Motor cooling fan.
Extractor rotor.
Presence of the three power supply phases in the three-phase version.
CORRECTIVE ACTION
Cleaning and checking the motor cooling fan.
Cleaning and checking the fan rotor: the system must turn very easily by hand.
Check the power supply cable of the motor – fan and correct functioning of the remote control
switch.
ALARM E2 DOOR MICRO SWITCH
DESCRIPTION ON DISPLAY E2: door open
DESCRIPTION
If the door is opened during machine functioning then all relays except the cycle relay must be
disabled. The machine continues to display this condition until the door is closed.
The timers behave as described below.
Case 1 - For the first 30 seconds of door opening: countdown is NOT continued. However, it
re-starts regularly after 30seconds. If the door is closed within the 30 seconds available normal
timing continues and on pressing the START/STOP button the machine also re-starts (heating if
necessary, fan and drum motor).
On closure the display changes and passes to”E2: press start”.
Case 2- The door remains open after the first 30 seconds. The cycle ENDS after 120 seconds from
opening displaying “CYCLE END”. If the door is closed between 30 and 120 seconds, everything
proceeds as in the previous point.
BUZZER ACTIVATION Activation of the BUZZER is envisioned.
ALARM RESET Case 1 - The alarm is automatically switched off at machine re-start.
Case 2 – Normal activation and switch-off at cycle end.
WHAT TO CONTROL
Door micro switch functioning.
Magnetic door catch hold.
Electric connection between door micro switch and G400 DRY board.
CORRECTIVE ACTION
Check and replace the door micro switch if necessary.
Check and replace the magnetic door catch if necessary.
check and, if necessary, replace the electric connection between the door micro switch and the
G400 DRY board.