CompAir D50H RS User Manual

10. Trouble-shooting
49
10 Tro uble-shooting
In the case of faults or warnings that are detected by the compressor control DELCOS XL, please refer to the
chapter “Fault/warning table” in the operating instructions of the DELCOS XL.
Malfunction
Possible cause
Remedy
1.
No operating or control voltage
1.
Check fuses, main switch and supply line
Unit cannot be started
2.
Malfunction not acknowledged
2.
Acknowledge fault message
3.
Pressure reservoir not depressurized
3.
Wait until depressurized
Screw compressor does not start up,
when reservoir pressure is
> 1.0 bar/14.5 PSI
4.
Electric motor defective
4.
Check connections, winding, etc.
5.
Compressor defective
5.
Turn the compressor manually; if
required, replace
6.
Ambient temperature less than
+2 °C/35.6 °F
6.
Make sure that the ambient temperature
is not less than +2 °C/35.6 °F; install an
auxiliary heater, if required
7.
Remote control/timer has been activated
7.
Deactivate remote control/timer
8.
Mains pressure exceeds the lower
switching point
8.
Wait until the mains pressure has fallen
below the lower switching point
Unit stops during the
start-up phase
1.
Short-circuit in the unit
1.
Determine and eliminate cause; replace
defective fuses
2.
Connecting terminals in the switch
cabinet are loose
2.
Check and re-tighten
3.
Maximum motor switching cycles
exceeded due to too frequent manual on
and off-switching
3.
Avoid frequent manual on and off-
switching, let electric motor cool down
1.
Mains pressure sensor set too low
1.
Check, re-set
Unit does not reach
the set mains
pressure
2.
Excessive air consumption
2.
Reduce consumption or cut in a further
compressor
3.
Air filter clogged
3.
Replace air filter cartridge
4.
Heavy leakage in the compressor system
4.
Check unit
Unit switches off
1.
Ambient temperature too high
1.
Ventilate compressor room
2.
Electric motor defective
2.
Check electric motor and thermistor
3.
Fan defective
3.
Check/replace fan
4.
Sensor, connections or lines defective
4.
Check sensors, connections and lines
5.
Cross section of the electric supply lines
too small
5.
Measure power requirement, if
necessary, replace lines
6.
Water level too low
6.
Manage the water level sensor and
water intake
7.
Excessive water temperature
7.
Check water cooler and fan/ Check
water thermostat

CompAir D50H RS Specifications

General

Brand	CompAir
Model	D50H RS
Category	Air Compressor
Language	English