Intercall 600/700 Installation & Operation Guide Issue 4.27 Page 75 of 78
Display Faults
FAULT CAUSE CURE
F10. Liquid Crystal Display totally blank No power to display Check connections with a meter.
F11. LCD reads Vx.xx or SWxxxx continuously Excessive volt drop on Network cable
Network Cable Short
No input to Booster PSU
Master PSU not running
Must measure minimum 9Volts at Network Cable.
Remove or eliminate part(s) of the system
F12. Display Shows calls but does not sound Call
F13. See also F3
Display set up to sound for Emergency calls only
Display Zoning set incorrectly
DAY or NIGHT alarm level set at minimum
See page 59
See page 35 or 44
F14. Display will not accept calls.
Feature disabled in the display menu
Wrong type of system (IE L628 running on L717PSU)
Excessive Cable Capacitance on the system
See page 59
See page 3
F15. Display will not accept text download
F16. Display text corrupted
Wrong type of system (IE L628 running on L717PSU)
Battery must be fitted to the PSU when downloading
See page 3
Download text from Master PSU directly
F17. Display menu text corrupted Units connected the Network with power connected Unit will need to be returned to the factory or re-
programmed using the LIM device.
Display sounds single tone (not warble) Second Tone setting active Disabled in display menu See page 59
Cannot gain access to address windows within menus Display not in master mode See pages 35,44 & 61
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