Cooper Notification SP40S Series, Installation, Testing, Operation And Maintenance Manual

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Troubleshooting
SP40S Multi-Function Communications System 64
8. Troubleshooting
8.1 Introduction
WARNING: SOME ELECTRONIC COMPONENTS STORE A HIGH VOLTAGE
CHARGE, EVEN THOUGH POWER IS NOT CONNECTED, AND CAN CAUSE A
DANGEROUS SHOCK IF TOUCHED. DO NOT TOUCH EXPOSED CIRCUITRY ON
THE SP40S MULTI-FUNCTION FACILITY COMMUNICATION SYSTEM UNLESS
THE CIRCUITRY HAS DISCHARGED FOR ONE HOUR AND A SAFE DISCHARGE
PROCEDURE IS USED.
WARNING: PROVIDE UL REQUIRED ALTERNATIVE SIGNALING MEANS
DURING TROUBLE CONDITIONS AND SERVICING TO ASSURE ADEQUATE
PROTECTION OF PEOPLE AND PROPERTY. ENSURE THAT QUALIFIED
SERVICE PERSONS IMMEDIATELY REPLACE ANY MODULES THAT HAVE
MALFUNCTIONED.

After any troubleshooting procedure is completed, perform a complete system
checkout as described in Section 4.6.
8.2 General
The SP40S Multi-Function Facility Communication System monitors system integrity.
Items monitored for integrity are:

Visual appliance circuit field wiring

Audio appliance circuit field wiring

Input voltage

Battery voltage level

Battery circuit field wiring

Amplifier functionality

Digital Voice Section functionality

Battery charge voltage

Tone generators

Audio chain
CAUTION: Make sure that only qualified personnel in accordance with the procedures
in this manual conduct troubleshooting and servicing. Do not attempt to make other
adjustments, modifications, or repairs. Never use water, steam, cleaning liquids or
sprays on the panel.
CAUTION: User servicing of the panel is limited to field-wiring changes, PC board
replacement, and following the instructions in the Installation chapter (Chapter 4) and
troubleshooting procedures in this chapter.