JAVAC XTR-ULTRA, Operation Manual

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15 14
7.0 TROUBLE-SHOOTING
EN
PROBLEM CAUSE ACTION
UNIT WILL NOT START
- COMPRESSOR DOES
NOT START; NO LIGHT IN
POWER SWITCH
• Power cord not attached
• No voltage at receptacle/
incorrect voltage
• Attach power cord
• Verify voltage at job site
COMPRESSOR WILL NOT
START
• Circuit breaker has opened
• Discharge pressure too high
• HP switch has opened
permanently
• Electrical overload on BLDC
controller
• Electronics failure in motor
circuit
• Thermal cut-out has
activated
• Identify cause of breaker
activation, rectify and reset
• Reduce pressure and rotate
C to purge and back to
recovery. Reset pressure
cut-out switch
• Factory service required
• Switch unit off for 10
seconds and restart
• Factory service required
• Allow motor to cool. If still
not working a factory service
is required
COMPRESSOR STARTS
BUT CUTS OUT WITHIN A
FEW MINUTES; PRESSURE
INDICATION ON HP GAUGE
IS HIGH
• B is in purge position and HP
switch activates
• C not open and HP switch
activates
• Recovery cylinder valve not
open
• Blocked discharge hose
• Air in system/cylinder
• Rotate B to recovery
• Rotate C to open position
• Open cylinder valve
• Check & clear blockage
• Bleed air from system/
cylinder
COMPRESSOR STOPS • Vapour pressure of
refrigerant in cylinder is close
to HP trip point
• Reduce cylinder temperature
XTRULTRA-2 A5 safety-operation-manual.indd 14 01/02/2018 15:42