4.0 Error Rectification
22 CC1092267A
[Indication] / Problem Possible cause Remedy
FAULT POWER LOSS Power loss Find cause
Voltage dip Find cause
Cabling damaged Check, repair if necessary
Loose terminals
Check that all connecting terminals and
plugs are tight, retighten if necessary
FAULT EM-STOP Emergency stop is being/has been activated Unlock
Emergency stop switch defective Check, replace if necessary
Cabling damaged Check, repair if necessary
FAULT MOTOR TEMP Motor started too frequently Limit number of starts/hour
Inadequate motor cooling Improve
Excessive power consumption Check, find cause
Defective power supply Check, find cause
Motor faulty Check, replace if necessary
Contactor-type star delta starter defective Check repair if necessary
FAULT COMP TEMP Final compression temperature exceeded
(1)
Find cause
WARNING HIGH TEMP Approach temperature too high Improve
Defective cooling Improve
Unit being operated with enclosure open Close enclosure
Incorrect oil grade/viscosity Check, replace oil if necessary
R1F temperature sensor defective (indication
too high)
Check, replace if necessary
FAULT START TEMP Start attempt at too low a temperature
(1)
Heat up compressor room
R1F temperature sensor defective (indication
too low)
Check, replace if necessary
WARNING HIGH PRESS
Operating pressure exceeded by 1.0 bar / 14
psi
(1)
FAULT OVER PRESS
Operating pressure exceeded by 1.5 bar / 21
psi
(1)
Pressure losses in the system too high Check, find cause
System switching points
(4)
too high Correct
External pressure requirement too high
Check remote on-load/off-load
switching points
Intake unloader valve not closing Check, find cause
Pressure sensor B1N or B2N defective
(incorrect indication)
Check, replace if necessary
FAULT SENSOR B1N Faulty supply pressure sensor
Pressure and/or temperature sensor
defective
Cabling to sensor damaged
Check, replace if necessary
Check, replace if necessary
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