Alarm SAF RMBE Series Manuel d'instructions télécharger pdf (Page 15)

5.3 Troubleshooting

WARNING - Installation and service should only be performed by a qualified service person and

should conform to all local codes

5.3.1 AC Section Troubleshooting

This is a normal condition. 28V zones

will have a brighter output LED than

24V zones

NormalOutput Zone LEDs vary in brightness

Verify that the zone’s jumper is

present and intact

Missing or damaged jumper

Verify output wiring integrity, then

pull voltage selection jumper for 30

seconds (note it’s position before

removing)

Tripped PTC (Power-Limited models

only)

Verify output wiring integrity, then

replace fuse (Power down unit while

changing fuse)

Blown fuse (Fused models only)

One zone’s green output LED is not lit

and it’s output isn’t present

The power switch also serves as a

circuit breaker. Switch to “Off/Reset”

for 30 seconds, verify output wiring

integrity, then switch back to “On”

Tripped circuit breaker

Verify that the power switch on the

back panel is in the “On” position

Power switch off

Verify power to RackNo power to Rack’s power strip

Verify both ends of the power cord

are plugged in

Power cord unplugged

No green output LEDs lit and no

output voltages present

SolutionPossible CauseCondition

5.3.2 DC Section Troubleshooting

Verify that individual and total output

current is less than rated current

Excessive loading on output

Verify proper switch settingIncorrect switch setting

The output voltage is incorrect

Contact AlarmSafInternal problem

See aboveExcessive loading on output

Verify output wiring integrity and

loading, then replace fuse behind the

front panel. If the unit uses PTC

protection for the output, verify

output wiring integrity and loading,

remove the buss selection jumper for

the output for 30 seconds, then

replace the jumper.

Blown output fuse or PTC

One output voltage not present

Contact AlarmSafInternal problem

Verify total system loading less than

the maximum

Excessive total system loading

The power switch also serves as a

circuit breaker. Switch to “Off/Reset”

for 30 seconds, verify output wiring

integrity, then switch back to “On”

Tripped input circuit breaker

Verify that the power switch on the

back panel is in the “On” position

Power switch off

No output voltages present

SolutionPossible CauseCondition

RMMV Series Installation Instructions

7/13/2009, 10:26:56 AM

52-391 Rev A.02

Page 15 of 20

AlarmSaf

65A Industrial Way, Wilmington, MA 01887 978 658 6717 www.alarmsaf.com

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Alarm SAF RMBE Series Manuel d'instructions Page 15

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