Fuses - Thermo King T-1000R Series Maintenance Manual

Fuses

A number of fuses protect various circuits and
components. All the fuses except F21 are located
on the interface board, which is located inside the
control box. F21 is located in the fuse holder
between the REDB and 2 wires that go from the
battery to the 2 terminal on the interface board.
Refer to the appropriate Microprocessor
Diagnostic Manual for a complete list of the size
and function of the fuses.
Fuse Size Function
F2 15A Power to On/Off Switch
F3 40A Fuel Sol Pull-In/Starter Circuit
F4 None No Fuse - All Bosch and Thermo
King Alternators
2A 2A Fuse - All Prestolite Alternators
F5 40A Preheat Circuit
F6 15A Damper and High Speed Circuits
F7 2A 8XP Circuit - Controller On
Feedback to HMI
F8 5A CAN Connector J12
F9 5A CAN Connector J14
F10 10A 8X Power (Install fuse in upper
position)
F11 10A Power to Drain Tube Heater Relay
for Remote Evaporator (Not Used)
F12 5A CAN Connector J13
F13 2A 8FC Circuit (Remote Lights)
F15 P/S On/Off Relay
F21 60A Main Fuse (2 Circuit)
F20 2A Alternator Sense
F22 Not Used
F23 Not Used
F25 7.5A HPCO/Run Circuit
F4 Remove fuse F4 for Model 30 units with
Australian Bosch or Thermo King Alternators. Install
fuse F4 for Model 50 units with Prestolite Alternator.
F10 When fuse F10 is installed in the upper position
the On/Off keys on the HMI turn the unit on and off.
When fuse F10 is installed in the lower position the
unit will start and run without the HMI control panel.
F15 The device identified as F15 is a poly switch.
These over-current devices reset automatically and
are not replaceable.
Electrical Maintenance
Figure 148: Interface Board
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