Manual

3.4 Maintenance manager / Error list
With one or several errors, the extended operating level al
-
ways starts with the error list. Signalling an actual entry in
the error list (alarm, error) is done by the Err LED in the
display. This is applicable only, if at least one limit value
function, the loop alarm or the heating current alarm is ac
-
tivated. For display of the error list, press Ù twice.
Err LED status Signification Proceed as follows
blinks
(Status 2)
Alarm due to existing
error
Determine the error type in the error list after
removing the error the device changes to Status1
lit
(Status1)
Error removed,
Alarm not acknowledged
Acknowledge the alarm in the error list pressing key
È or Ì the alarm entry is deleted (Status 0).
off
(Status 0)
No error,
all alarm entries deleted
not visible, exept when ackowledging
Error list:
Name
Description Cause Possible remedial action
E.1
Internal error,
cannot be removed
 E.g. defective EEPROM  Contact PMA service
 Return unit to our factory
E.2
Internal error, can be
reset
 e.g. EMC trouble  Keep measurement and power
supply cables in separate runs
 Ensure that interference
suppression of contactors is
provided
E.4
Hardware error  Codenumber and hardware are
not identical
 Contact PMA service
 Electronic-/Optioncard must be
exchanged
FbF.1
Sensor break INP1  Sensor defective

Faulty cabling
 Replace INP1 sensor

Check INP1 connection
Sht.1
Short circuit INP1

Sensor defective

Faulty cabling

Replace INP1 sensor

Check INP1 connection
POL.1
INP1polarity error

Faulty cabling

Reverse INP1 polarity
FbF.2
Sensor break INP2

Sensor defective

Faulty cabling

Replace INP2 sensor

Check INP2 connection
Sht.2
Short circuit INP2

Sensor defective

Faulty cabling

Replace sensor INP2

Check INP2 connection
POL.2
INP2 polarity

Faulty cabling

Reverse INP2 polarity
HCA
Heating current
alarm (HCA)

Heating current circuit
interrupted, I< HC.A or I>
HC.A (dependent of
configuration)

Heater band defective

Check heating current circuit

If necessary, replace heater band
SSr
Heating current short
circuit (SSR)

Current flow in heating circuit
at controller off

SSR defective

Check heating current circuit

If necessary, replace solid-state
relay
Operation
Maintenance manager / Error list 14 KS50/52-1
125
126
SP.x
run
Ada
Err