WEST 8800 Operating Manual page 14

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