Graco HFR Setup page 19

Ref Description
A Access Cover
B LEDs
C Warning Label
1A, 1B CAN Connections
2 Three-way Splitter to: Oil Low Level
Sensor, Dispense Valve Solenoid, and
Footswitch
3 Oil Temperature Sensor
5 Electric Motor Temperature Sensor
6 LVDT (Position Sensor)
7 Three-way Splitter to:
Hydraulic Directional Valve,
Oil Overtemperature Switch
8 Pressure Transducer B (Blue) side
9 Pressure Transducer A (Red) side
10 Not used
11 Motor Position Sensor
12 MCM Power Input Connection
13 Motor Power Connection
Diagnostic Information
Table 1: LED (Ref B) Status Signal
7
Module Status LED Signal
Green on
Yellow on
Red solid
Red flashing fast
Red flashing slow
3A2797ZAA
Description
System is powered up.
Internal communication in progress.
MCM hardware failure. Replace MCM.
Uploading software.
Token error. Remove token and
upload software token again.
Component Identification
19