Liquistation CSF33 Diagnostics and troubleshooting
Endress+Hauser 137
No. Message Factory settings Tests or remedial action
S
1)
D
2)
F
3)
906 Cat.exchanger failure F On Off Invalid values for conductivity or flow
1. Check for valid measured values in the
menu of the mathematical function.
2. Check sensors.
3. Check minimum flow.
907 Cat.exchanger warning S On Off Limit values exceeded for conductivity or flow.
Possible reasons:
• Resin depleted
• Blocked pipe
‣
Check application.
908 IEX capacity low M On Off The capacity of the exchange resin will soon be
exhausted.
‣
Schedule resin regeneration or replacement.
909 IEX capacity exhausted F On Off The capacity of the exchange resin is exhausted.
‣
Regenerate or replace the resin.
910 Limit switch S On Off Limit switch activated
920 No sample F On On No inflow during dosing process
• Suction line blocked or leaking
• No inflow of sample
1. Check suction line and suction strainer
2. Check inflow of sample
921 Pump bracket open F On On The pump bracket is detected as open
• Pump bracket open
• Reed contact defective
1. Close the pump bracket
2. Contact the Service Department
922 Armature cycle M On Off O-ring seals on sampling assembly approaching
end of operating life
Displayed under Diagnostics/Operating time
information/Inline armature
1. Replace the seals
2. Switch off monitoring under Setup/
General settings/Sampling/Diagnostics
settings/Process sealing
3. Contact the Service Department
923 Armature cycle M On On O-ring seals on sampling assembly have reached
end of operating life
Displayed under Diagnostics/Operating time
information/Inline armature
1. Replace the seals
2. Switch off monitoring under Setup/
General settings/Sampling/Diagnostics
settings/Process sealing
3. Contact the Service Department
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 the Service Department
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