7.2.4
Motor speeds up and stops immediately after turned on, All other keys
function properly.
Possible Problem
Solution
A. Optical detector board assembly
Locate optical detector board (Fig 4a). Check for
broken wires in cable to power supply. If broken or
intermittent, replace optical detector board
assembly.
B. Optical detector
If problem still exists clean the inside slot of the
optical detector board assembly.
C. Power supply
See para 7.2.1. C
D. CPU board
See para 7.2.1. D
E. Display board
If all the above does not solve the problem replace
the display board.
12
Figure 4a
Figure 5a
Motor Wire
Terminal Block
J3 Connector
Timing Wheel
Optical Dector
Board
Capacitor/Resistor
Connections
Summary of Contents for ProMix 400
Page 1: ...REPAIR GUIDE MODEL 400 MODEL 401 MODEL 402 the ProMix AMALGAMATION UNIT...
Page 2: ......
Page 23: ...NOTES...
