Trouble Shooting - JAVAC XTR-PRO-DV Manual De Funcionamiento

EN
8.0 TROUBLE-SHOOTING
PROBLEM
UNIT WILL NOT START
- COMPRESSOR DOES
NOT START; NO LIGHT IN
POWER SWITCH
COMPRESSOR WILL NOT
START
COMPRESSOR STARTS
BUT CUTS OUT WITHIN A
FEW MINUTES; PRESSURE
INDICATION ON HP GAUGE
IS HIGH
COMPRESSOR STOPS
INTERMITTENTLY
18
CAUSE
• Power cord not attached
• No voltage at receptacle/
incorrect voltage
• Circuit breaker has opened
• Discharge pressure too high
• HP switch has opened
permanently
• Insufficient pressure to close
LP switch (if fitted)
• Electronics failure in Motor,
Bridge Rectifier or Filter
Capacitor / Relay
• Thermal cut-out has
activated
• V2 is in purge position and
HP switch activates
• V3 not open and HP switch
activates
• Recovery cylinder valve not
open
• Blocked discharge hose
• Air in system/cylinder
• Fan not turning
• Vapour pressure of
refrigerant in cylinder is close
to HP trip point
ACTION
• Attach power cord
• Verify voltage at job site
• Identify cause of breaker
activation, rectify and reset
• Reduce pressure and rotate
V2 to purge and back to
recovery
• Reduce pressure
• Factory service required
• Check connection, hoses,
valves, gauges, system may
not contain refrigerant
• Factory service required
• Allow motor to cool. If still
not working a factory service
is required
• Rotate V2 to recovery
• Rotate V3 to open position
• Open cylinder valve
• Check & clear blockage
• Bleed air from system/
cylinder
• Factory service required
• Reduce cylinder temperature