Pfeiffer Vacuum A 1204H, Operating Instructions Manual

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Malfunctions
11 Malfunctions
Study the safety instructions related to maintenance (see 9.1) .
11.1 What happens in the event of a defect
When a problem occurs, the user is informed through:
– the relevant fault indicator light: yellow lit in case of warning, red lit in case of alarm,
– the audible buzzer warning (if preselected),
– the fault contacts on J1 remote connector are activated,
– display of fault message on the HHR,
– a message via the RS-232 or RS-485 serial link.
Messages are listed in the Malfunctions chapter (see 11.3) .
11.1.1 Meaning of light indicators
Indicator
light Name Status Pump status
White Power Off The pump is not powered
Lit The pump is powered
Green Running Off The pump is not running (Pump shut-down)
Lit The pump is running
Yellow Warning Off No warning
Blinking Pre-warning.
Read the fault message on HHR.
Reset the fault pushing
ENTER key.
Flashing It was a pre-warning. .
Read the fault message on HHR.
Remedy to the trouble to delete the fault.
Lit Warning presence.
Read the fault message on HHR.
Remedy to the trouble to delete the fault.
Red Alarm Off No alarm
Blinking There is a pre-alarm, pump is running.
Read the fault message on HHR.
Reset the fault pushing
ENTER key.
Flashing It was a pre-alarm.
Read the fault message on HHR.
Remedy to the trouble to delete the fault.
Lit Alarm presence. The pump is stopped.
Read the fault message on HHR.
Remedy to the problem to delete the defect.
Switch power off and restart the pump
(see 6) .