Honeywell Chadwick-Helmuth 8500C User Manual

Troubleshooting Guide
8500C/8500C+ System Maintenance Manual 5-43
Figure 5-13. Troubleshooting Flowchart: 8520C Power Light
DISCONNECT J1
FROM CONTROLLER
BOARD A1
RECONNECT A1 &
DISCONNECT QUAD
PEAK DET. BOARD
A3 FROM
CONTROLLER
BOARD A1
REPLACE QUAD
PEAK DET. BOARD
A3
YES
NO
REPLACE
CONTROLLER
BOARD A1 AND
RECONNECT A3
YES
NO
PROBLEM SOLVED
YES
RETURN 8520C TO
FACTORY FOR
REPAIR
NO
POWER LIGHT ON?
REPLACE P/S
BOARD A2
POWER LIGHT ON?
8520C POWER LIGHT NOT ON:
POWER LIGHT ON?
FILENAME: FLOWCHTB.DRW
NOTE: THIS FLOWCHART ASSUMES THAT THE FUSE AND
HARNESS ASSEMBLIES HAVE ALREADY BEEN CHECKED.

Honeywell Chadwick-Helmuth 8500C Specifications

General

Brand	Honeywell
Model	Chadwick-Helmuth 8500C
Category	Measuring Instruments
Language	English