3M Detection System 3500 Series - Troubleshooting

3M Detection SystemsSystem Configuration
4-8
 3M 2000–2008
4.1.12 Troubleshooting
Model 3501, 3502
Problem
Cause Action
No alarm, no mechanical
counter, no red power
indicator on the Electronic
Enclosure.
No power at receptacle. Reset facility circuit breaker.
Power cord disconnected at
receptacle.
Plug power cord into receptacle.
System fuse open. Replace fuse in power entry connector.
See Fuse Replacement procedure.
Power turned off at Electronics
Enclosure.
Turn key switch to ON.
System failure. Place a service call.
No alarm, no mechanical
counter, power indicator
ON.
Processor requires reset. Turn the key switch OFF, wait 5
seconds, then turn the switch ON.
System failure. Place a service call.