Cornelius Quantum 1000, Руководство по обслуживанию

Страница: 26 / 28

TR
OUBLESHOO
TING CHAR
T - ICEMAKER NO
T OPERA
TING
NO PO
WER
Chec
k electr
ical wir
ing in con
trol bo
x f
or loose connec
tions
.
Chec
k f
or f
ailed ser
vice
s
witch or rela
y.
Chec
k po
w
er to machine
.
ICEMAKER R
UNS B
UT
DOES NO
T MAKE ICE
Condenser f
an r
unning
b
ut compressor not r
unning
Chec
k line v
oltage
.
Chec
k compressor winding
& components
.
LO
W W
A
TER
SAFETY
SWITCH OPEN
Remote condenser not r
unning.
Ev
apor
ator w
ater tube
ma
y ha
v
e an air b
ub
b
le
.
Clear air b
ub
b
le from
tube
.
Chec
k po
w
er
to condenser
.
Chec
k electr
ical
wir
ing in control bo
x
for loose connections
.
High pressure s
witch open or
cycling on and off
.
Chec
k that w
ater is tur
ned on.
Chec
k f
or restr
iction in w
ater line
.
Chec
k incoming w
ater pressure
(minim
um 10 lbs
.).
Chec
k w
ater saf
ety s
witch.
ICEMAKER OPERA
TING B
UT
SOFT ICE
Chec
k bin s
witch
Clean all related dr
ain lines
.
Ref
er to guide
to Good Ice in ser
vice man
ual.
GEARMO
T
OR O
VERLO
AD
TRIPPED
Chec
k w
ater le
v
el control
and e
v
apor
ator w
ater tube
for lime b
uild up restr
iction.
CA
UTION
Clear ice from e
v
apor
ator and
auger bef
ore re
setting o
v
er
load.
CLEAN see instr
uctions
.
Reset o
v
er
load.
Icemak
er r
uns
Reset b
ut
motor does not r
un.
Will not reset. Ov
er
load
hot tr
y
again.
Will not reset replace o
v
er
load
Chec
k
gear
motor
circuit.
Shor
t r
un tr
ips
again in 2 min utes
. Chec
k gear
motor circuit.
IMPOR
T
ANT
Icemak
er r
uns when reset
b
ut prob
lem has not been
found. Contin
ue chec
king f
or
o
v
er
load as f
ollo
ws to
guard against future prob
lems
Lo
w suction pressure
(20 lbs
. or belo
w).
TXV b
ulb
lost charge
.
Replace v
alv
e
e
v
acuate and
recharge
.
High suction pressure (30 lbs
. or abo
v
e).
Suction line not insulated.
Bulb uninsulated.
Clean and insulate
.
TXV not oper
ating
proper
ly
.
Bulb loose
.
Clean and tighten.
Head Pressure high.
Va
lv
e
stuc
k
open.
Replace va
lve
.
Condenser dir
ty or
restr
icted.
Condenser fan not running.
T
oo m
uch
refr
iger
ant in
system.
Non-condensib
le
in system.
Discharge king v
alv
e
par
tially
closed. Open v
alv
e
Ev
acuate and
recharge system. Clean condenser
.
Chec
k electr
ical circuit
to f
an motor
.
Chec
k f
an motor
.
Lo
w pressure s
witch open
or cycling on and off
.
Lo
w on
refr
iger
ant.
Plugged liquid line dr
y
er
.
Restr
icted
liquid line
.
Plugged or faulty TXV
.
Icemak
er
froz
e up
.
Chec
k if
auger is tur
ning.
Replace va
lve
.
Ev
acuate
and recharge system.
Chec
k f
or
kinks or damage to liquid line
.
Replace dr
y
er
.
Ev
acuate
and recharge system.
LA
C not oper
ating
proper
ly (minim
um
discharge pressure 180 lbs
.).
Chec
k f
or
leaks
.
Replace LA
C v
alv
e
,
e
v
acuate and
recharge system.
Chec
k dr
iv
e on
gear
motor
.
Chec
k gears in
gearbo
x.
Chec
k if e
xtr
uding
head is do
wn in
e
v
apor
ator tube
.
O
VERLO
AD GUIDE
ELECTRICAL High or lo
w v
oltage w
eak po
w
er lines can cause o
v
er
loads on icemak
er restar
ts
High r
unning current.
Chec
k motor circuits and star
t rela
y - A
uger dela
y f
ailed.
ICEMAKER Mechanical par
ts w
or
n.
Scored e
v
apor
ator or auger
. W
or
n thr
ust bear
ing.
Ice mak
er not tur
ning off
. F
ailed ice le
v
el control.
Ov
er compression.
Lo
w w
ater inlet temper
ature
. Restr
iction in w
ater line from
reser
v
oir
.
REFRIGERANT Contaminated charge or bad compressor
.
Lo
w charge or gas leak.
Lo
w suction pressure
. Improper e
xpansion v
alv
e sensing b
ulb
. Location or insulation
and/or def
ectiv
e e
xpansion v
alv
e
No
Remote condenser units only
Remote condenser units only
No
Ye
s
Ye
s
No
Continuous Flow Icemaker Service Manual
© 2004-2011, IMI Cornelius Inc. - 23 - Publication Number: 630460174SER
TROUBLESHOOTING