Nilfisk MH 3C Betriebsanleitung Seite 16

B6. Antiscale adjustment
Measure the water hardness or ask your water supply company.
mg/l Grains °dH
.0-17 0-1
0-7
17-60 1,1-3,5
60-128 3,6-7,5 7-14
128-180 7,6-10,5 14-21
>180 >10,5 >21
Indications on Display
Indication lights
Constant
Flashing
Flashing
Constant
Constant
Constant Constant
Constant Flashing
Constant
Constant Constant
Flashing Flashing
Constant Constant
Constant Flashing
Flashing
Constant Constant
Constant
16
1. Open cabinet (A).
°e °f ppm Ca
0-8,8 0-12,5 0-50
8,8-17,5 12,5-25,1 51-150
17,5-26,3 25,1-37,6 151-300
>26,3 >37,6 >300
Display Cause
1)
- The appliance is ready for operation.
- At power on to cold mode, hour coun-
0024
ter is shown for a few seconds.
- Water tap closed or water shortage.
- Detergent tank empty.
- Pressure regulation on the safety con-
trol blocks or the VarioPress
set to low water volume.
- Machine scaled.
FLO - Machine has run for more than 120s
without propper water supply. Machine
shuts down to avoid pump over-
heating.
FUE - Low fuel level.
- Cold water operation possible.
- Low Nilfisk AntiStone level
- Machine is still operational.
- Service interval has expired.
- Machine is still operational.
- Service interval due in 20 hours.
- Machine is still operational.
HOS - Boiler overheated. Exhaust sensor
(EXT-H) has cut off fuel supply.
- Machine scaled.
- Boiler not serviced.
- Cold water operation is possible.
LHE - Flame sensor (B7) is sooted.
- Ignition or fuel system failure.
- Cold water operation is possible.
LHL - Boiler is over sootet and needs
service.
- Boiler is filled with diesel.
HOP - Motor is overheated.
SEC - Temperature sensor shorted.
SEO - Temperature sensor is disconnected.
- Cold water operation is possible.
FLF - Flow sensor fault.
POL - Low pump oil.
- MPU is leaking oil.
2. Adjustment knob (B) setting
according to rated water flow
Description 9-15 16-20
L/min L/min
Soft 0
Slightly Hard 0,5
Moderately Hard 1
Hard 1,5
Very Hard 2
Remedy
- Check water supply.
- Refill detergent or set Detergent knop to "0".
- Change setting on safety control block / Vario-
1) lance is Press to allow full water flow.
✆
- Nilfisk Service.
- Restart machine, if fault continues
✆
Nilfisk Service.
- Check fuel level and refill, error reset after 5
sec.
1) . - Check Nilfisk AntiStone level and refill.
✆
- Nilfisk Service.
✆
- Nilfisk Service.
✆
- Nilfisk Service.
- Clean flame sensor (B7).
✆
- Nilfisk Service.
✆
- Nilfisk Service.
- Turn main switch to "OFF" position - let the
machine cool down.
- Remove/disconnect extension cable.
- Possible phase failure.
- Have electrical connection checked.
✆
- Nilfisk Service.
✆
- Nilfisk Service.
✆
- Nilfisk Service.
-Check oil lever and refill.
✆
- Nilfisk Service.
Optional accessories / Option depending on model
1)
21-26 27-33
L/min L/min
0 0 0
1 2 2
1,5 2,5 3
2 3 3,5
3 3,5 4
Original instruction