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5.2.3
Heater(s) Not Operating
Heater(s) Are Not
Operating
Operation
Normal
Do both
heaters have
Resistance
220-270
ohms?
Does
XH Contactor
energize?
No
Replace
Heaters
Wiring
connections to
XH Contactors
OK?
Repair wiring,
connections
Is there
460 volts
to Heaters?
Yes
Repair wiring
from Main
Control Box to
XHL1 and XHL2
Fuses Are
OK
Check Fuses
FX5 and FX6
in Reefer
Control Box
Cd43 run
“Test ” Mode
Open XtendFRESH
Control Box
Check
current draw
from top of XH
Contactor
No
Yes
Check wiring to
XH Contactor
Replace
Fuse(s)
No
Yes
Replace
XH Contactor
Is
Current Draw
1 amp?
Yes
No
Yes
No
Check Fuses
FX1 and FX2
in Reefer
Control Box
Fuses Are
OK
Replace
Fuse(s)
No
Yes
Yes
No
~
Operation
Normal
Summary of Contents for XtendFRESH
Page 2: ......
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Page 8: ...T 366 iv LIST OF TABLES TABLE NUMBER Page Table 6 1 Maintenance Schedule 6 1...
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Page 42: ...T 366 7 2 Figure 7 1 PIDs NT2570 and NT2617 Schematic and Diagram...
Page 43: ...7 3 T 366 Figure 7 2 PIDs NT2570 and NT2617 Schematic and Diagram Page 2...
Page 44: ...T 366 7 4 Figure 7 3 PIDs NT2570 and NT2617 Diagram and Legend...
Page 45: ...7 5 T 366 Figure 7 4 PIDs NT2619 and NT2704 Schematic and Wiring Diagram...
Page 46: ...T 366 7 6 Figure 7 5 PIDs NT2619 and NT2704 Schematic and Wiring Diagram Page 2...
Page 47: ...7 7 T 366 Figure 7 6 PIDs NT2619 and NT2704 Diagram and Legend...
Page 48: ...Figure 7 7 PIDs NT2709 and NT2774 Schematic and Wiring Diagram...
Page 49: ...7 9 T 366 Figure 7 8 PIDs NT2709 and NT2774 Schematic and Wiring Diagram Page 2...
Page 50: ...T 366 7 10 Figure 7 9 PIDs NT2709 and NT2774 Diagram and Legend...
Page 52: ...T 366 9 1 9 Parts List for XtendFRESH Sheet 1 of 2 6 7 9 12 2 8 10 15 3 5 1 10 11 4 5 14...
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