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FlashGuard 2000B Medium Intensity Lighting System

Troubleshooting Guide

Table of Contents

Flashhead (Strobe) Troubleshooting Flowchart

pg. 2

Multiple Strobe Troubleshooting Flowchart

pg. 3

Flashhead Problems

pg. 4

Multiple Strobe Problems

pg. 7

Flashhead Isolation Test

pg. 9

Power Supply Isolation Test

pg. 10

Status Indicators

pg. 11

Tools Required

pg. 11

Recommended Spare Parts

pg. 12

Summary of Contents for FLASHGUARD 2000B

Page 1: ...s Flashhead Strobe Troubleshooting Flowchart pg 2 Multiple Strobe Troubleshooting Flowchart pg 3 Flashhead Problems pg 4 Multiple Strobe Problems pg 7 Flashhead Isolation Test pg 9 Power Supply Isolation Test pg 10 Status Indicators pg 11 Tools Required pg 11 Recommended Spare Parts pg 12 ...

Page 2: ...Power and High Voltage Both ON No Yes Day mode strobe is OK Night strobe out Section 1 pg 4 Yes Yes Yes Section 2 pg 4 Section 3 pg 5 Yes Section 4 pg 5 Night mode strobe is OK Day strobe out Yes Section 5 pg 5 Strobe won t switch from day to night mode Yes Section 6 pg 6 Strobe flashing too fast or too slow Yes Section 7 pg 7 No No Night mode strobe too bright Yes Section 8 pg 8 No No ...

Page 3: ...ashing out of sync Yes Section 9 pg 8 No Strobes have a double flash or are flashing faster than 40 FPM Yes Section 10 pg 8 Master switches to night but slaves stay in day mode Yes Section 11 pg 8 START Only one strobe is acting unusual No Yes Go to Strobe problems flowchart preceding page ...

Page 4: ...ion Replace the defective component Section 2 Flashhead does not operate in any mode control power indicator on high voltage neon lamp off Possible Cause Flashhead interlock switch not engaged Diagnostic Test Remove the flashhead wires TB2 5 and TB2 6 gray and white and measure resistance between them it should be less than 5Ω Corrective Action Re seat the flashhead cover making sure the interlock...

Page 5: ...aulty Diagnostic Test Perform the Power Supply isolation test to check for trigger pulses Corrective Action If trigger pulses are present and high voltage neon lamp is lit then replace flashtube and or trigger transformer Section 4 Flashhead operates properly in day mode but no strobe in night mode and trips the strobe alarm Possible Cause Trigger control board faulty Diagnostic Test Perform Power...

Page 6: ... control panel Disconnect DB1 and measure resistance across each diode Replace DB1 if any diodes have shorted Note The diode board DB1 is located under the control panel where the test switches are Corrective Action Replace DB1 Section 6 System will not switch between day and night modes correctly Possible Cause Mode switches in wrong position Diagnostic Test Put both mode switches in Remote posit...

Page 7: ...B2 Corrective Action If the transformer wires are correct replace the current sense transformer Section 8 Night mode very bright no alarms Possible Cause K2 relay open Diagnostic Test Put the system in night mode Check for 120 VAC across the coil of the K2 relay Alternatively remove the connectors and check resistance across the K2 coil it should be 300Ω Corrective Action Replace the K2 relay MULT...

Page 8: ...pplies this switch 4 should be set to ON which is the slave position Corrective Action Reconfigure sync monitor boards Refer to the manual for correct positions Section 11 Master unit switches to night mode at night but slave units remain in day mode Possible Cause Interconnecting wire between master and slave power supplies missing Diagnostic Test Inspect wiring between power supplies TB1 positio...

Page 9: ... others 5 White 5Ω to gray open to all others 6 Gray 5Ω to white open to all others 7 Ground Open to all conductors Flashhead Test Results 1 Correct readings do not ensure that the flashhead and cable are good but this is a quick check for obvious problems 2 If the readings above are correct proceed to the Power Supply Isolation Test 3 If 5 gray to 6 white is greater than 5Ω or is open suspect tha...

Page 10: ...n the T1 transformer the high voltage board or a capacitor has failed Check the input and output voltage of the transformer Check the high voltage board for bad diodes Check each capacitor for the proper value If your meter will not measure capacitance Farads then check the capacitors for opens or shorts Observe Neon Lamp The neon lamp should be flashing at 40 flashes per minute With the power sup...

Page 11: ...ing correctly If the LED is off the system is in alarm mode Sync Out LED Located on the sync monitor middle board this LED blinks red to indicate that a sync signal has been generated In a multiple flashhead system only the sync monitor board that is set as the master will blink this LED Sync In LED Located on the trigger control bottom board this LED blinks green to indicate that a sync signal ha...

Page 12: ...Spares Downstairs Part Number Description 77 3911 Night Capacitor C3 CA706A441EK Day Capacitors C2 A F 77 1167 6 Amp Fuse F1 DP 1019 Qty 2 630mA fuse TB F1 277 3939 PC Board Diode 277 3937 PC Board High Voltage 277 4163 PC Board Sync Monitor 277 5014 003 PC Board Trigger Control 277 5016 PC Board Mother 77 2013 Relay K1 K2 77 5002 Transformer T1 120 240V 60Hz 77 3259 Photocell 77 2342 Neon Lamp Us...

Page 13: ...FlashGuard 2000B Troubleshooting Guide Page 13 ...

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