GRUNDFOS ALLDOS Oxiperm C 164 Series Operation And Service Manual page 87

Oxiperm 164 150-2500 g en
No. Fault
33 Preliminary H2O tank
34 Flow HCl min
35 Flow HCl max
36 Flow NaClO2 min
37 Flow NaClO2 max
38 Flow Dilution H2O min
39 Flow Dilution H2O max
40 Level fault
41 Level fault
42 Level fault
43 Level fault
44 Open-circuit in temperature sensor
45 Short-circuit
46 Fault in flow of bypass water
47 Fault: only manual mode possible
15.710010-V5.0
Cause
MAX-MAX Overflow level in preliminary tank
for H2O has been reached
Dosing quantity too low
Dosing quantity too high
Dosing quantity too low
Dosing quantity too high
Dosing quantity too low
Dosing quantity too high
ClO2 Level switch on solution tank faulty
HCl Level switch on suction line faulty
NaClO2 Level switch on suction line faulty
H2O Level switch on suction line faulty
Temperature sensor faulty
Short-circuit
Solenoid valve leaks
"Manual control" mode was
selected, but the system was started
in automatic mode
Elimination
Check float switch
in tank
Check dosing pump or dose rate
Check dosing pump or dose rate
Check dosing pump or dose rate
Check dosing pump or dose rate
Check dosing pump or dose rate
Check dosing pump or dose rate
Check level switch
Check level switch
Check level switch
Check level switch
Replace sensor
Check controller
Replace solenoid valve
With "Manual control" mode,
start system in manual mode
87