CHEST FROZEN SHOWCASE
TSD-27CF
Cause Check
Point
Correction
Compressor
Check coils
resistances
Repair Procedure
1.
Replace compressor if measured resistances differ from given standard
2.
Abnormal noise
Not cooling
Check thermostat
setting
Repair Procedure
1.
Operate unit for 10 minutes with thermostat set at maximum
Insufficient cooling
Check gasket gap
Repair Procedure
1.
Check if gap can be resolved by adjustment of door hinges fixing screws.
2.
Defrost if accumulation of frost is more than 10mm.
Malfunction due to
leaks or clogged
system
Charged (purge) with
nitrogen into the
refrigeration system
& check for leaks on
welds or clogs
Repair Procedure
1.
Check for clog or leak in the cooling system.
2.
Repair or replace the clogged or leak section.
3.
Evacuate and change filter dryer.
4.
Purge with nitrogen to clean and check for leaks
5.
Recharge refrigerant, test run and seal system
TROUBLE INSPECTION
CAUSES
REMEDY
Check electric power
supply voltage
Open circuit breaker or
fuse
Fix or replace
Open Fuse
Replace
No Power
Check electrical circuit
Worn out or defective A/C
cord
Replace
Check lamp
Open
Replace
No Light
Check lamps socket
Corroded
Replace
Low Cooling
Check for thermo setting
Setting too low
Set thermostat higher
Deform or warp door
gasket.
Adjust door hinges fixing
screws
Check leaks
Poor weld on joints
Repair, purge with
nitrogen re-charge
refrigerant and test run.
Over storage or load or
heavy frost accumulation
Reduce or re-arrange
load or defrost unit
Defective Cooling
System
Check Thermostat
Check if compressor runs
by shortening thermostat
Replace thermostat if
compressor runs.
Check PTC starter
resistance against given
value
Open, no resistance or
differ from given value
Replace PTC starter.
Check Overload Protector
Check for continuity
Replace if open.
Check for leaks
Leaks or poor welds on
joints
Repair, re-weld, purge,
evacuate and recharge
refrigerant
Check Compressor
resistance against given
specification
Defective
Replace, weld, purge,
check for leaks and re-
charge refrigerant, test run
and seal system
Check Pipe System
Clogged Pipe System or
oil choke
1. Evacuate then Purge
with nitrogen to remove
clogs
2. Repair or replace
clogged section, evacuate,
purge, check leak and re-
charge refrigerant. Test
Run and seal system
Summary of Contents for TSD-27CF
Page 3: ...CHEST FROZEN SHOWCASE TSD 27CF ELEC CIRCUIT TSD 27CF COOLING SYSTEM TSD 27CF...
Page 6: ...CHEST FROZEN SHOWCASE TSD 27CF Exploded View of TSD 27CF...
Page 11: ...CHEST FROZEN SHOWCASE TSD 35CF ELEC CIRCUIT TSD 35CF COOLING SYSTEM TSD 35CF...
Page 14: ...CHEST FROZEN SHOWCASE TSD 35CF Exploded View of TSD 35CF...
Page 22: ...CHEST FROZEN SHOWCASE TSD 47CF TSD 60CF Exploded View of TSD 47CF...
Page 23: ...CHEST FROZEN SHOWCASE TSD 47CF TSD 60CF Exploded View of TSD 60CF...