American Time AllSync Plus - Manual (Page 18)

© American Time
18
AllSync Plus Clock Installation
& Operation Manual
Glossary
Appendix B LED
Illumination
Appendix A
Specifications
Tr
oubleshooting
General Operation
Installation
Intr
oduction
Troubleshooting
Note: The LED indicator on the back of the AllSync Plus clock is intended for troubleshooting purposes.
AllSync Plus Clock not correcting the hour hand
• LED is solid green
º Wait for 8:00 or 2:00 on clock face
º Disconnect clock for 1 hour, reconnect and wait for 24 hours.
• LED is solid red
º Wait for 12 hour correction
Note: LED on back of clock will alternate red-green while master is sending it a correction.
º If AllSync Plus clock(s) have been moved from one clock protocol to another with identical
hourly correction it may not recognize the switch. Set master for synchronous style correction with
different hourly correction, then, if needed change clock protocol back (refer to your master clock
instructions for setting clock protocol).
AllSync Plus Clock Synchronized to the correct hour and seconds but minutes are off by less than
• LED is green
º Wait for 8:00 or 2:00 on clock face
Note: LED on back of clock will alternate red-green while master is sending it a correction.
o Clock may have been jarred during shipment. Remove crystal and move the minute hand to the
correct time. Contact American Time Technical support for assistance at 800-328-8996.
• LED is red
o Wait for 12 hour correction and clock to cross 8:00 or 2:00
o If AllSync Plus clock has been moved from one clock protocol to another with identical
hourly correction it may not recognize the switch. Set master for synchronous style correction
with different hourly correction, then if needed, change clock protocol back. Refer to your master
clock instructions for setting clock protocol.
LED