Kampmann Tandem Series, Инструкция по сборке, установке и эксплуатации, Страница: 51 / 64

Tandem door air curtains
Door air curtains with patented Tandem technology
Assembly, installation and operating instructions
51
11 Faults
The following chapter describes possible causes of faults and the work needed to rectify them. Should faults occur frequently,
shorten the maintenance intervals in line with the actual loading on the unit.
Contact the manufacturer with any faults that cannot be rectified using the following information
Behaviour in the event of faults
The following applies:
1. Immediately switch off the unit with faults that pose an immediate danger to persons or property!
2. Determine the cause of the fault!
3. Switch off the unit and prevent it from being reconnected if rectifying the fault requires work in the hazard area. Immedi-
ately advise a supervisor on site about the fault.
4. Either rectify the fault yourself or have it repaired by authorised personnel, depending on the nature of the fault.
The fault table, Chapter 11.1 “Fault table” [
}
51] , provides information on who is authorised to rectify and remedy
faults.
11.1 Fault table
Fault Possible cause Remedy
No function. No power supply.
Check voltage, switch on repair switch.
Replace fuse.
Water outlet
Fault on the heat exchanger. Replace the heat exchanger if you need to.
Hydraulic connection not properly done. Check flow and return and tighten, if necessary.
Unit not heating or cooling sufficiently (LPHW/
CHW)
Fan is not switched on. Switch on fan at controller.
Air volume is too low. Set a higher fan speed.
Filter is dirty. Replace filter.
No heating or cooling medium.
Switch on heating and/or cooling system, switch
on circulation pump, vent unit(s)/system.
Valves do not work. Replace faulty valves.
Water volume too low. Check pump output, check hydraulics.
Setpoint temperature on the controller set too
low/high.
Adjust temperature setting on the controller.
Operating unit with integral sensor and/or ex-
ternal sensor is exposed to direct sunlight or po-
sitioned over a heat source
Position operating unit with integral sensor and/
or external sensor in a suitable location.
Air cannot blow out or in freely. Remove obstacles at the air outlet/air inlet.
Heat exchanger dirty. Clean heat exchanger.
Air in the heat exchanger. Vent heat exchanger.
Unit too loud
Speed too high. Set a lower speed, if possible.
Air inlet/outlet opening is obstructed. Free air ducts.
Filter dirty. Replace filter.
Rotating parts unbalanced
Clean and/or replace impeller. Please make sure
that no balancing clips are removed during
cleaning.
Fan dirty. Clean dirt from fan.
Heat exchanger dirty. Clean dirt from Heat exchanger.