Service Manual

N0422, F0522, N0622, F0822, N0922, F1222, N1322, F1522
Air, Water or Remote Service Manual
December 2014
Page 43
Symptom Probable Cause Possible Correction
Low ice making capacity Scale build up Remove scale from evaporator and
water system
Restricted water to evaporator Check for air bubble in hose to
evaporator. If there is an air bubble
AND the reservoir has a water
sensor IN the bowl, replace the
reservoir.
High discharge pressure Check remote condenser
Check headmaster
Expansion valve superheat
incorrect
Check superheat
Compressor cycles on and off
frequently
Check liquid line valve for leak
through
May be normal, pump down switch
will operate compressor as pump
down switch closes and opens
Service Diagnosis - Remote Air Cooled