Scotsman CSW45 Bedienungsanleitung PDF herunterladen (Seite 18)

Technical Service Diagnosis

CSW45

July 1999

Page 18

Symptom Possible Cause Probable Correction

Unit Off

No power to unit

Plug unit it

Reset circuit breaker or replace

fuse

Unit switched off Check control switch

Ice level control keeping unit off

Room colder than 55

F., increase

heat

Ice on sensor tube - remove it

Transformer Open Check/replace transformer

Control board failed

Switch unit to Clean, note if all

valves and motors are switched

on for 5 seconds each one after

another. If not, replace the board.

Unit runs, makes no ice

No water to unit

Check/restore water supply

Check water valve

Pump does not run

Check connection from control

box to pump

Check/replace pump

Unit overheating

Check for dirty condenser

Check fan blade and motor

Air flow blocked, check for air

obstruction

Compressor does not run

Check compressor relay

Check compressor windings

Low on refrigerant

Install service ports, weigh out

charge, If low, locate and repair

leak, replace drier evacuate to

300 microns and weigh in

nameplate charge*

Hot gas valve leaking thru Check/replace hot gas valve

* If the system has been running in a vacuum AND the leak is found to be on the LOW side, repair the leak

AND replace the compressor.

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