WEST 8800 - Page 14

Operation
Error list / Mainenance manager 14 8800 process controller
Name
Description Reason Possible remedial action
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 with controller
off
-
SSR defective
-
Check heating current circuit
-
If necessary, replace solid-state relay
LooP
Control loop alarm
(LOOP)
-
Input signal defective or
not connected correctly
-
Output not connected
correctly
-
Check heating or cooling circuit
-
Check sensor and replace it, if
necessary
-
Check controller and switching
device
AdA.H
Self-tuning heating
alarm
(ADAH)
-
See Self-tuning heating
error status
-
see Self-tuning heating error status
AdA.C
Self-tuning heating
alarm cooling
(ADAC)
-
See Self-tuning cooling
error status
-
see Self-tuning cooling error status
LiM.1
stored limit alarm 1 - adjusted limit value 1
exceeded
- check process
Lim.2
stored limit alarm 2 - adjusted limit value 2
exceeded
- check process
Lim.3
stored limit alarm 3 - adjusted limit value 3
exceeded
- check process
Inf.1
time limit value
message
- adjusted number of
operating hours reached
- application-specific
Inf.2
duty cycle message
(digital ouputs)
- adjusted number of duty
cycles reached
- application-specific
E.5
Internal error in DP
module
-
self-test error
-
internal communication
interrupted
-
Switch on the instrument again
-
Contact West service
dp.1
No access by bus
master
-
bus error
-
connector problem
-
no bus connection
-
Check cable
-
Check connector
-
Check connections
dp.2
Faulty configuration
-
Faulty DP
configuration telegram
-
Check DP configuration telegram in
master
dp.3
Inadmissible
parameter setting
telegram sent
-
Faulty DP parameter
setting telegram
-
Check DP parameter setting
telegram in master
dp.4
No data
communication
-
Bus error
-
Address error
-
Master stopped
-
Check cable connection
-
Check address
-
Check master setting