Error Messages And Alarms - JUMO IPC 300 Operating Manual

Cyclical
appearance
Examples
Error message
Min alarm
Max alarm
Load error
Load failure ext.
current sensor 1
Load failure ext.
current sensor 2
Load failure ext.
current sensor 3
Teach-In still
missing
Fuse breakage
(red fuse LED is lit)
IGBT breakage
V1.00/EN/00741192/2021-03-30 [IPC 300]
The symbols for input, subordinate control loop, and operating mode are dis-
played alternately in the info line together with error messages or information
about special statuses.
v Chapter 4.1.2 "Appearance of measured values"
Cause
The value has dropped below the set limit
value for the min. alarm
The set limit value for the max. alarm has
been exceeded
Break or short-circuit of a load resistance.
v
Chapter 6.2 "Detection of load
faults"
The load monitoring via external current
sensors has detected a break in the load
resistance in the reported branch.
Reminder that the load monitoring is still
inactive because the Teach-In has not yet
been performed.
Semiconductor fuse defective
IGBT defective

8 Error messages and alarms

Remedy
-
-
- Replace faulty heating element.
- For "manual" Teach-In: Perform
Teach-In in operating level or
manual mode!
- For "Automatically once" or "Au-
tomatically (cyclically)" Teach-In:
Increase setpoint value so that
the minimum output level of
30% is achieved for a Teach-In.
v Chapter 6.2 "Detection of load
faults"
v Chapter 3.4.3 "Replacing the
two semiconductor fuses"
- Check wiring
- Check the wire fuse for the load
circuit
The device must be returned to JUMO
for repair.
- Return the device
79