VMC PACK SMART V90C - Trouble Shooting List

Valvole brevettate per compressori rotativi a vite e pistoni
Patented valves for piston and screw rotary compressor
V.M.C. s.p.a. Via Palazzon 35 – 36051 Creazzo (VI) – ITALY
Internet www.vmcitaly.com - Phone +390444/521471 +390444/341115 - Fax +390444/275112
TIPO
TYPE
DC
REVISIONE
REVISION
00
DATA
DATE
02/18
GRUPPO
LINE
744
ARTICOLO
ARTICLE
.YX
MODELLO
MODEL
X3
Pagina 41 di 43
8 TROUBLE SHOOTING LIST
SYMPTOMS PROBABLE CAUSE CORRECTIVE ACTION
The compressor doesn’t load.
1-The intake valve remains closed. 1-Check the valve. If necessary, replace the damaged parts with the spare parts kit.
2-The solenoid valve does not work accurately 2-Check the solenoid valve. If necessary, replace it.
3-Losses on the pressure line. 3-Check pipes and cables. If necessary, replace them.
During idling phase, the
compressor does not discharge
pressure from separator tank
1-The solenoid valve does not work accurately. 1-Check the solenoid valve. If necessary, replace it.
2-The calibrated nozzle is clogged. 2-Remove the calibrated nozzle. Clean or replace it.
Compressor capacity or
pressure lower than usual
standard.
1-The air filter is clogged. 1-Remove the air filter. Clean or replace it.
2-The intake valve does not open. 2-Check the valve. If necessary, replace the damaged parts with the spare parts kit.
3-Air loss from safety valve. 3-Replace the valve.
Compressor keeps on loading
over working pressure: safety
valve opens
1-The solenoid valve does not work accurately. 1-Check the solenoid valve. If necessary, replace it.
2-Clogged separator filter. 2-Replace the separator filter.
Compressor overheating.
1-Insufficient cooling. 1-Check the cooling system. Check coolant level on tank.
2-Dirty oil 2-Replace it with new oil.
3-Oil level is too low.
3-Check coolant level on tank and if necessary, add oil .
4-Clogged-up cooler or pipe connection 4-Clean cooler and pipes.
5-The thermostatic valve does not work correctly.
5-Check the thermostatic valve. If necessary, replace the damaged parts
with K17 spare parts kit.
6-Clogged oil filter 6-Replace the oil filter.