11 Trouble-shooting
45
11
Trouble-s hooting
In the case of faults or warnings that are detected by the compressor control GD Pilot TS, please refer to the
chapter “Fault/warning table” in the operating instructions of the GD Pilot TS.
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 > 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 35.6 °F
6.
Make sure that the ambient temperature
is not less than 35.6 °F; install an
auxiliary heater, if required
7.
Remote control/timer has been activated
7.
Deactivate remote control/timer
8.
Excessive mains pressure
8.
Wait until the mains pressure has fallen
below the lower switching point
Unit stops during the
start-up phase
1.
Intake regulator only closes partly,
pressure builds up too quickly in the
pressure reservoir
1.
Fix intake regulator or, if required,
replace; check solenoid valves
2.
Short-circuit in the unit
2.
Determine and eliminate cause; replace
defective fuses
3.
Connecting terminals in the switch
cabinet are loose
3.
Check and re-tighten
4.
Maximum motor switching cycles
exceeded due to too frequent manual on
and off-switching
4.
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.
Intake regulator opens only partly
2.
Reduce consumption or cut in a further
compressor
3.
Excessive air consumption
3.
Fix intake regulator or, if required,
replace; check solenoid valves
4.
Air filter clogged
4.
Replace air filter cartridge
5.
Heavy leakage in the compressor system 5.
Check unit
Summary of Contents for EnviroAire 15
Page 1: ...Original Operating and Service Manual 15 22 kW USA Id no ZS1093133 00 June 2012...
Page 2: ......
Page 52: ...12 Annex 50 Fig 29 all dimensions in Inches...
Page 53: ......
Page 54: ......
Page 55: ......
