Cornelius 500-Series Service Manual download pdf (Page 34)

29 TD 184

Trouble RemedyProbable Cause

9. Unit goes off on

reset (cont’d)

Strips loose or

missing on

inside of

evaporator shell

Inspect and replace

evaporator shell if

necessary

Low ambient

temperature in

room where

unit is located

Maintain

temperature above

50 degrees

Gearmotor

sticking which

causes it to

draw excessive

amperage

Check amp draw of

gearmotor with an

amprobe

Plugged

capillary tube or

expansion

valve, causing

low back

pressure

Check back

pressure, replace

cap tube or valve,

evacuate and

re-charge system,

replace

drier-strainer

Slight leak,

causing low

back pressure

Check back

pressure, find gas

leak, repair leak,

evacuate system,

add drier and

recharge

Loose

hold-down assy

Check and tighten

or replace

Auger worn

excessively on

the inside

surfaces

causing thicker

flaked ice to be

made

Replace auger

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