Section VIII - Power$ync IIOperation

NOTICE!

COMPRESSOR HAS SHUT DOWN

NOTICE! HIGH STAGE 2 DISCH PRESSURE

TAKE CORRECTIVE ACTION

High stage 2 discharge pressure could be caused by a clogged cooler or a failed discharge check valve.

NOTICE!

COMPRESSOR HAS SHUT DOWN

NOTICE! MOTOR OVERLOAD

TAKE CORRECTIVE ACTION

Motor overload can be caused by high ambient temperature, or operating the compressor above the designed limits of the compressor. This can happen if the discharge check valve is faulty.

CAUTION

COMPRESSOR HAS SHUT DOWN

NOTICE! POSSIBLE REVERSE ROTATION

TAKE CORRECTIVE ACTION

Possible reverse rotation is caused if stage 2 does not reach a minimum pressure shortly after the start button is pressed. This could also be caused by a faulty blowdown valve or a faulty package check valve.

CAUTION

STAGE 2 OF THE COMPRESSOR HAS EXCESSIVE

PRESSURE DIFFERENTIALS CALL SERVICE

STG 1 OUT_____ STG 2 OUT _____ ENTER TO EXIT

Stage 2 with excessive pressure differentials is primarily caused by a failed blowdown valve. The above displays indicate that the computer has found operating conditions outside the normal limits. For most of these displays, you only need to press ENTER to reset the control. If the pressure or temperature is still outside the limits, pressing ENTER will not reset the control. The corrective action for these messages is to find the cause of the indicated problem. Your service representative can provide the service needed to correct these problems.

FLUID PRESSURE ______

COMPRESSOR HAS SHUT DOWN **NOTICE** FIRMWARE FAILURE REFER TO YOUR SERVICE MANUAL

Failure of either of the two types of memory chips or a corruption of the software installed in those chips will display this message. If the problem is a failure of one of the chips, the main processor circuit board must be replaced. Contact your service representative to arrange this replacement. The compressor can be operated in Back-up Mode.

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Quincy Compressor® - QSD™

 

 

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Quinny 65040-AB manual Fluid Pressure