RobinAir AC1234-6 Tablet Accessory User Manual


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Troubleshooting Messages
Troubleshooting Messages continued
Display Cause Solution
OILOUTOFLIMIT
Vacuumpumphasrunfor10
hours;vacuumpumpoilshould
bereplaced.
Refer to Change Vacuum Pump
Oil in the Maintenance section
for instructions.
PRESSURETOOHIGH
Excessivepressurehasbeen
detected.
Press ESC. Refer to Recovery
section and recover refrigerant
before proceeding.
PURITYTESTFAILED
Refrigerantinvehicleis
eithernotR1234yforitis
contaminated.
Refer to Troubleshooting
Procedures section. Use 25700
external recovery machine to
recover refrigerant.
PURITYTESTFAILED
100%AIR
1.Insufcientrefrigerantowto
identier.
2.Excessiveairinsourcetank.
1. Check source tank for
pressure and secure valve
connections.
2. Replace source tank with
good refrigerant.
REFRIGERANTINSUFF
AfterselectingCHARGEand
enteringadesiredweight,ifthe
weightenteredwillleaveless
than.91kg(2lbs.)ofrefrigerant
inISVaftercharge,charge
functionwillnotstart.
Refer to Manually Fill the
Internal Storage Vessel (ISV) in
the Maintenance section.
REPLACEIDENTIFIERFILTER
1.Filterinsiderefrigerant
identierisplugged.
2.Filterintankllhoseis
plugged.
1. Refer to Maintenance section
for instructions to change
identier lter.
2. Refer to Tank Fill Hose
Service in Maintenance
section.
SYSTEMPRESSURETOO
LOW
Ifpressureislessthan0.7
bar,therefrigerantcannotbe
identied.
If vehicle is very cold, allow
vehicle to warm up and retest.
Otherwise enter Vacuum mode
and evacuate system.
VACUUMDECAYTEST
FAILED
AleakinthevehicleA/C
system.
Exit current test and perform
repairs on the vehicle A/C
system.
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