NV5/NV3.5 Troubleshooting Manual Responding to alarms
Page 1-24 Issue 3.2 2014-12-10
Controller: EEP Fail alarms
There are five different alarms that can be displayed that indicate an EEPROM failure has occurred.
When any of the
Controller: EEP Fail Configuration, Controller: EEP Fail Meter Scales, Controller:
EEP Fail Module Thresholds
, Controller: EEP Fail Remotes, or Controller: EEP Fail Thresholds is
displayed, the associated stored parameter information reverts back to failsafe default values.
Replacing the backup battery will have no effect on this alarm.
In the case of the Controller: EEP Fail Configuration alarm, the following parameters will revert to
the indicated failsafe default states:
– Transmitter Type = NV40
– Redundant Supplies -> IPA = Yes
– Redundant Supplies -> Fan = Yes
– Active low power alarm when RF off = false
– Active very low power alarm when RF off = false
– Scaling -> Fan Control Voltage = 48.0 V
– Thresholds -> Minimum allowable fan speed = 3000 RPM
– System Configuration -> Exciter Changeover Delay = 5 s
– System Configuration -> ALC Voltage Limit = 100%
– System Configuration -> Main Exciter = A
– System Configuration -> Standby Exciter = false
– System Configuration -> Automatic Exciter Changeover = false
– System Configuration -> AUI watchdog = disabled
In the case of the Controller: EEP Fail Meter Scales alarm, all calibrated meter scales will revert to
their failsafe default values.
In the case of the Controller: EEP Fail Module Thresholds alarm, all module thresholds will revert to
their failsafe default values.
In the case of the
Controller: EEP Fail Remotes alarm, all configurable remote input and output lines
on J23 and J24 of the control/interface PWB will revert to their failsafe default values.
In the case of the Controller: EEP Fail Thresholds alarm, all controller thresholds will revert to their
failsafe default values.
Troubleshoot a Controller: EEP Fail alarm as follows:
1. Using the front panel AUI’s Hardware Configuration page, confirm the associated alarm by
verifying the parameters have reverted to their failsafe default states. Use the list above to
verify a
Controller: EEP Fail Configuration alarm.
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