Ingersoll-Rand Nirvana IRN100-200H-2S, Руководство по эксплуатации и обслуживанию, Страница: 81 / 85

11.0 FAULT FINDING
IRN37–160K–CC & IRN50–200H–CC & IRN75–160K–2S & IRN100–200H–2S
78
SYMPTOM FAULT REMEDY
Discharge air is
contaminated with Aftercooler not functioning
correctly Clean or replace
condensate
Moisture separator drain trap
faulty Overhaul or replace
Continuous low speed / low
ambient operation causing
condensate build up Review system requirements and contact your local
IR representative
Compressor package
draws too much current
Compressor operating above
rated pressure Check and modify settings. Review system
requirements and contact your local IR representative
Separator filter element dirty or
blocked Replace
Voltage supply is low or
unbalanced Contact your local IR representative or a qualified
electrician
Airend is damaged Contact your local IR representative
Excessive coolant Coolant system leak Overhaul or replace
consumption
See also ‘discharge air is
contaminated with coolant’ See above
11.2 INTELLISYS FAULTS
(INDICATED ON THE INTELLISYS CONTROLLER)
FAULT CAUSE REMEDY
Emergency Stop Emergency stop button has
been pressed. Identify reason why, repair fault, disengage button
and reset Intellisys controller
Blower motor overload Blower is blocked, damaged or
blower motor is faulty. Remove blockage, repair or replace damaged
components
High airend discharge
temperature Compressor operating above
rated pressure Check and modify settings. Review system
requirements and contact your local IR representative
Low coolant level Check for leaks. See also ‘discharge air is
contaminated with coolant’. Top up coolant.
High ambient temperature Review installation and system parameters
Insufficient cooling air Check ducting and cooling air path.
Blocked coolant cooler matrix Clean or replace
Blower motor direction of rotation
incorrect Wire correctly
Check setpoints Controller software has been
changed Recalibrate all sensors and check setpoints