Grundfos Oxiperm OCD-164, Installation And Operating Instructions Manual

Page: 37 / 528

English (GB)
37
8.4 Error messages of the controller
No. Fault Cause Remedy
1
Pre-empty signal
NaClO
2
NaClO
2
level in tank too low
Refill tank
2 HCl HCl level in tank too low
3
Empty signal
NaClO
2
NaClO
2
tank empty
4 HCl HCl tank empty
5 Dosing controller NaClO
2
Dosing controller incorrectly set
Dosing controller defective Readjust controller
Replace controller
6 Dosing controller HCl
7 Level "Max-Max" Solution tank: ClO
2
overflow level reached Check "Max" contact
8 Level "Min-Min" Solution tank: ClO
2
dry-run level reached
Check "Min" contact
Check dosing quantity of the pump
Check system status "ON/OFF"
9
Flow
Bypass water
"Min" Bypass water too low Increase flow of bypass water
10
Flow
Bypass water
"Max" Bypass water too high Reduce flow of bypass water
11 Fault gas warning device Gas alarm Eliminate leakage
12 ------------------------ ----------------------------------- --------------------------------------
13 Open-circuit at current output Cable broken Replace cable
14
Hall sensor
defective
HCl
Cable broken, component defective Exchange cable or component 15 NaClO
2
16 H
2
O
17
Voltage
24 VDC, too large Controller defective Check controller
18 24 VDC, too small Fuse SI 12 defective Replace fuse
19 15 VDC, too large Controller defective Check controller
20 15 VDC, too small Fuse SI 9 defective Replace fuse
21 -15 VDC, too large Controller defective Check controller
22 -15 VDC, too small Fuse SI 9 defective Replace fuse
23 8 VDC, too large Controller defective Check controller
24 8 VDC, too small Fuse SI 11 defective Replace fuse
25 12 VDC, too large Controller defective Check controller
26 12 VDC, too small Fuse SI 11 defective, inputs overloaded Replace fuse, check connection
27 -12 VDC, too large Controller defective Check controller
28 -12 VDC, too small Fuse SI 11 defective Replace fuse
29 Reactor temperature too high Dilution water too low, H
2
O pump defective
Check H
2
O setting of the pump,
replace pump
30 Reactor temperature rise too high Dilution water too low, H
2
O pump defective
31 Battery in PLC exhausted Battery exhausted Replace battery
32 Dosing controller H
2
O
Dosing controller incorrectly set, dosing
controller defective Readjust controller
Replace controller
33
Preliminary H
2
O
tank
"Max-Max"
Overflow level in preliminary tank for H
2
O is
reached
Check float switch in tank
34 Flow HCl min Dosing quantity too low
Check dosing pump or quantity
35 Flow HCl max Dosing quantity too high
36 Flow NaClO
2
min Dosing quantity too low
37 Flow NaClO
2
max Dosing quantity too high
38 Flow H
2
O Dilution min. Dosing quantity too low
39 Flow H
2
O Dilution max. Dosing quantity too high
40 Fault level ClO
2
Level switch on solution tank defective
Check level switch
41 Fault level HCl
Level switch of suction line defective 42 Fault level NaClO
2
43 Fault level H
2
O
44 Open-circuit in temperature sensor Temperature sensor defective Replace sensor
45 Short-circuit Short-circuit Check controller
46 Fault bypass water flow Leakage in solenoid valve Replace solenoid valve
47 Fault: only manual mode possible
"Manual" mode has been selected, although
the system has been started in automatic
mode
When "Manual control" is selected,
start the system in manual mode