9-9
62-11039
INDICATION/
TROUBLE
POSSIBLE CAUSES
REFERENCE
SECTION
9.4.10 No Evaporator Air Flow Or Restricted Air Flow
Frost on coil
8.24
Evaporator coil blocked
Dirty coil
8.26
Evaporator fan loose or defective
8.7.3
No or partial evaporator
Evaporator fan rotating backwards
8.7.3
No or partial evaporator
air flow
Evaporator air flow blocked in trailer (box)
Check
9.4.11Expansion Valve Malfunction
Low refrigerant charge
8.11/8.12.4
External equalizer line plugged
Clean
L
ti
ith
Ice formation at valve seat
8.12
Low suction pressure with
high superheat
Wax, oil or dirt plugging valve or orifice
8.17
high superheat
Broken capillary
8.17
Power assembly failure or partial Loss of
element/bulb charge
Replace
Superheat setting too high
8.17
Superheat setting too low
8.17
External equalizer line plugged
Open
Low superheat and liquid
Ice holding valve open
8.12
Low superheat and liquid
slugging in compressor
Foreign material in valve
Clean
Pin and seat of expansion valve eroded or
held open by foreign material
8.17
Improper bulb location or installation
8.17
Fluctuating suction pressure
Low superheat setting
8.17
High superheat
Broken capillary
8.17
9.4.12Solenoid Valve Malfunction
No power to valve
Check
Improper wiring or loose connections
Check
Coil defective
8.15
Solenoid valve does not function
Valve improperly assembled
8.15
Solenoid valve does not function
properly
Coil or coil sleeve improperly assembled
8.15
properly
Movement of plunger restricted due to:
a. Corroded or worn parts
b. Foreign material lodged in valve
c. Bent or dented enclosing tub
8.15
Solenoid valve closes but
Foreign material lodged under seat
Clean
Solenoid valve closes but
refrigerant continues to flow
Defective seat
Replace
Содержание VECTOR 1800 MT
Страница 1: ......
Страница 2: ...OPERATION SERVICE MANUAL for VECTOR 1800 MT Trailer Multi Temp Refrigeration Units ...
Страница 19: ...1 5 62 11039 1 3 SAFETY DECALS ...
Страница 20: ...1 6 62 11039 62 03958 00 Heat Warning 62 03957 01 High Voltage 62 60280 00 Standby Safety ...
Страница 21: ...1 7 62 11039 ...
Страница 303: ...10 1 62 11039 ...
Страница 310: ...10 8 62 11039 BASED ON ENGINEERING SCHEMATIC 62 60926 REV G NEXT SHT ...
Страница 311: ...10 9 62 11039 FROM PREVIOUS SHT ...