Trouble Shooting - INTERNATIONAL CARBONIC TUACA Installation And Service Manual

IMPORTANT: Only qualified personnel should service TUACA unit and
components.
WARNING: To avoid personal injury and or property damage, always disconnect electrical power,
before starting any repairs. If repairs are to be made to the TUACA unit, drain TUACA unit before
proceeding.
Trouble
Cooling or 1. No electrical power.
condensing unit
non- 2. Improper voltage/amperage
operational
3. Loss of refrigerant.
4. Bad overload and relay.
5. Compressor bad.
6. Restriction (pinched or crimped
line).
7. Condenser Dirty
Condenser fan 1. Electrical cord loose or
motor not disconnected from condenser fan
operating motor or compressor terminals.
2. Fan blade obstructed.
3. Inoperative condenser fan motor.
Compressor 1. No power source.
does not 2. Electrical power to cooling unit
operate turned off.
3. Low voltage.
4. Loose, disconnected, or broken
wire.
5. Inoperative overload protector or
start relay.
6. Inoperative compressor.
Note: During overload protector shut off condenser fan motor will continue to work. Otherwise,
troubleshooting condenser fan motor problems is the same as "Compressor does not operate",
paragraph in addition to the following.
Condenser fan 1. Electrical cord loose or
motor not disconnected from condenser fan
operating motor or compressor terminals.
2. Fan blade obstructed.
3. Inoperative condenser fan motor.

TROUBLE SHOOTING

COOLING UNIT
Probable Cause
16
Remedy
1. Plug power cord into electrical
box.
2. Check for proper
voltage/amperage.
3. Repair leak and replenish
refrigerant.
4. Replace overload and relay
5. Replace compressor.
6. Repair, straighten or replace
defective line.
7. Clean condenser unit w/vacuum
cleaner.
1. Tighten connections or replace
cord.
2. Remove obstruction.
3. Replace condenser fan motor.
1. Plug power cord to electrical box.
2. Check line voltage.
3. Voltage must be at least 110 V at
compressor terminals at start.
4. Tighten connection or replace
broken wiring.
5. Replace defective part.
6. Replace compressor.
1. Tighten connections or replace
cord.
2. Remove obstruction.
3. Replace condenser fan motor.