Liquistation CSF34 Diagnostics and troubleshooting
Endress+Hauser 157
No. Message Factory settings Tests or remedial action
S
1)
D
2)
F
3)
924 Inline armature F On On Final sampling position (in the process) of
sampling assembly not reached or detected
• Final position switch is damaged
• Supply cables are damaged
1. Check the final position switches.
2. Check the supply cables to the final position
switches.
3. Contact Endress+Hauser Service.
925 Inline armature F On On Final sampling position (in the process) of
sampling assembly not reached or detected
• Assembly blocked
• Final position switch is damaged
• Supply cables are damaged
1. Check the assembly.
2. Check the final position switches.
3. Check the supply cables to the final position
switches.
4. Contact Endress+Hauser Service.
926 Inline armature F On On Final dosing position (outside the process) of
sampling assembly not reached or detected
• Assembly blocked
• Final position switch is damaged
• Supply cables are damaged
1. Check the assembly
2. Check the final position switches.
3. Check the supply cables to the final position
switches.
4. Contact Endress+Hauser Service.
927 Winter operation S On Off 1. Winter operation active
2. Outside temperature too low
3. No sampling
928 No sample F On On Sample intake not possible
• Suction line clogged
• Suction height too high
1. Check the suction line and suction strainer.
2. Ensure suitable suction height (< 8 m).
929 Input signal F On On • Sensors reversed
• Sensor not present
‣
Check measuring inputs.
930 No sample F On On Sample flow interrupted during intake
• Suction line blocked or leaking
• No inflow of sample
1. Check the suction line and suction strainer.
2. Check inflow of sample.
937 Controlled variable S On Off Controller input warning
Status of the controller variable is not OK
‣
Check application.
938 Controller setpoint S On Off Controller input warning
Status of set point is not OK
‣
Check application.