Error messages / troubleshooting
FAM 25/45/60/75/95
en(us)
Page 139/160
BEWA FAM25-95 3402054f en(us) 2013-06-13
2013-06-13
28. Heater fuse has tripped
Cause:
The heater fuse has tripped. The FAM goes into the after-
running phase and switches off.
Remedy:
Select an operating mode without heater. The message will
however be displayed and can be reduced with ESC.
Perform the following steps:
Step
Description
1. Message:
28. Heater fuse has tripped.
2.
Switch off the FAM at the main switch.
3.
Open the control cabinet door and switch the tripped motor protection
switch and/or fuse back on.
Make sure the setting of the current corresponds to the heater type
level.
Close the control cabinet door and plug the power plug back in.
4.
Switch on the FAM at the main switch and start operation by pressing
the F1 key.
->a. The fault is repeated.
-> proceed to Step 6.
5.
->b. The fault is not repeated.
-> proceed to Step 15.
6.
Check the current consumption of the motor and/or of the heater at
which the motor protection switch and/or the fuse has tripped against
the specifications on the type label.
7.
->a. If the measured current I <= I
N
-> proceed to Step 9.
->b. If the measured current I >= I
N
-> proceed to Step 8.
8.
Replace the defective
motor/heater.
-> proceed to Step 9.
9.
Close the control cabinet door. Switch on the FAM at the main switch
and start operation by pressing the F1 key.
->a. The fault is repeated.
-> proceed to Step 11.
10.
->b. The fault is not repeated.
-> proceed to Step 15.
11.
Replace the motor protection switch and/or fuse.
12.
Close the control cabinet door. Switch on the FAM at the main switch
and start operation by pressing the F1 key.
->a. The fault is repeated.
-> proceed to Step 14.
13.
->b. The fault is not repeated.
-> proceed to Step 15.
14.
Contact the HYDAC Service Department.
15.
The fault is repaired.