TM 10-8145-222-23
0005
MAINTAINER MAINTENANCE REFRIGERATION UNIT TROUBLESHOOTING PROCEDURES
(FAULT CODES AL0 AL3, AL8) CONTINUED
Table 2. Microprocessor Control Box Component Identification for Model MTRCS02.
MPC Box
Figure
Item
Component
Location
Nomenclature
3.1
1
Relay
Back Wall
Overload Protector (OL)
3.1
2
Relay
Back Wall
Flashing Relay (FLR), Electric Motor Relay (1EMR, 2EMR)
3.1
3
Resistor
Back Wall
Shunt (SH1)
3.1
4
Fuse
Back Wall
F1-80A
3.1
5
Fuse
Back Wall
F28 5A
3.1
6
Fuse Block
Back Wall
F14-F19, F30-F33 8A
3.1
7
Relay
Back Wall
Electric Heat Relay (1EHR, 2EHR)
3.1
8
Capacitor
Back Wall
C1, C2, C3
3.1
9
Contactor
Back Wall
Motor Contactor (MC)
3.2
1
Relay Board
Door
Relays and Fuses
3.2
2
Relay
Relay Board
Starter Solenoid Relay (SSR), Diesel Electric Relay (DER),
Run Relay (RR), Glow Plug Relay (GPR)
3.2
3
Relay
Relay Board
Main Heat Relay (MHR), Run Control Relay (RCR), Hot Gas
Relay (HGR), Cool Relay (CR),
3.2
4
Connector
Relay Board
1J, 2J, 3J
3.2
5
Relay
Relay Board
Unloader Front Relay (UFR)
3.2
6
Fuse
Relay Board
F2, F5, F10 5A
3.2
7
Connector
Relay Board
C4
3.2
8
Fuse
Relay Board
F11, F12 3A
3.2
9
Fuse
Relay Board
F6, F7, F8 7.5A
3.2
10
Fuse
Relay Board
F3 15A
-
Board
Door (behind
Microprocessor Board (MPC)
3.2
relay board)
