Endress+Hauser Liquistation CSF33 - Page 138

Diagnostics and troubleshooting Liquistation CSF33
138 Endress+Hauser
No. Message Factory settings Tests or remedial action
S
1)
D
2)
F
3)
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 the Service Department
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 the Service Department
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 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 aspiration
• Suction line blocked or leaking
• No inflow of sample
1. Check 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
939 Control. disturbance S On Off Controller input warning
Status of disturbance variable is not OK
‣
Check application
951 -
958
Hold active CH1 .. C On Off Output values and status of the channels are on
hold.
‣
Wait until the hold is deactivated again.