Carrier TRANSICOLD Vector 8500 User Manual

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9.4 REFRIGERATION / TEMPERATURE CONTROL
Indication/Trouble Possible Causes Action / Reference
9.4.1 Unit Will Not Cool
Compressor malfunction
Compressor contactor defective Check
Compressor defective Section 8.7
Refrigeration system
A defrost cycle did not terminate. Check DTT Section 8.9.15
Abnormal pressure Section 9.4.8
Check system for noncondensibles Section 8.6.2
9.4.2 Unit Runs But Has Insufficient Cooling
Compressor Compressor internal damage Section 8.7
Refrigeration system
Abnormal pressure Section 9.4.8
Expansion valve malfunction Section 9.4.11
No or restricted evaporator airflow Section 9.4.10
Suction Modulation Valve malfunction Section 8.8.6
Check system for noncondensibles Section 8.6.2
Check economizer Section 8.6
Check refrigerant charge Section 8.6
Check condenser coil Section 8.6
Engine
Check Air Filter Section 8.5.10
Check Engine Rack Position sensor calibration
Section 8.5.13
9.4.3 Unit Operates Long Or Continuously In Cooling
Refrigerated Compartment
Hot Load Allow time to pull
down
Defective or insufficient refrigerated compartment insula-
tion or air leak
Correct
Refrigeration system
Abnormal pressure Section 9.4.8
Temperature sensor malfunction Section 8.9.15
Check system for noncondensibles Section 8.6.2
Compressor Defective Section 8.7
9.4.4 Unit Will Not Terminate Cooling
Unit fails to stop cooling
Temperature sensor malfunction Section 8.9.15
Incorrect temperature scale, check whether microproces-
sor is set for °C or °F
Check
Incorrect DC Charging Current limit Section 4.5.2
Low Battery Voltage Section 4.5.2
Supply air temperature limit is too low Section 4.5.2

Carrier TRANSICOLD Vector 8500 Specifications

General

Brand	Carrier TRANSICOLD
Model	Vector 8500
Category	Automobile Accessories
Language	English