Error messages / troubleshooting
FAM 15/30/50/70 ATEX
en(us)
Page 57 / 96
BeWa FAM15-70 Atex 3193049h en(us) 2013-06-19
2013-06-19
[H12] E/V/R pump motor protection
Step
Description
Malfunction:
"E/V/R pump motor protection"
1.
Switch off and disconnect the power unit.
2
Open the control cabinet door.
Switch the motor protection switch and/or fuse that was tripped
back on and check the setting of the motor protection switch
and/or the voltage capacity of the fuse in accordance with the
motor type plate and/or the heater type plate.
-> a. The fault recurs.
-> proceed to Step 4.
3.
-> b. The fault does not recur.
-> proceed to Step 8.
4.
Measure the current consumed by the motor.
5.
Close the control cabinet door. Supply power to the unit. Switch
on the unit at the main switch and start the unit.
-> a. The fault recurs.
-> proceed to Step 7.
6.
-> b. The fault does not recur.
-> proceed to Step 9.
7.
Check the operating viscosity of the medium (only with motor
protection switch),
Carry out the maintenance work on the vacuum pump.
8.
The fault is repaired.