Alpha Technologies XM2, XM2-HV, XM2-HP - Manual (Page 69)

4.4 Alarm Indications, continued
Preliminary
Active Alarm or
Abnormal Condition
Corrective Action Probable Cause of Alarm
Batt Temp Probe
1. Check Connection
2. Check Sensor
Remote Temp Sensor (RTS) failed or
is not connected
Input Failure
1. Utility Failure
2. Circuit breaker input
3. Input Connections
4. Check 120/240 Jumpers
Utility AC Input has failed
N+1 In Use
1. Check Output Fuse
2. Check Output Connections Output of CableUPS has failed. Load
has been transferred to N+1 unit
N+1 Fault
1. Verify wiring
2. Check N+1 output
Input voltage was expected on N+1
unit; none detected.
Active Alarm or
Abnormal Condition
Alarm States Corrective Action
Output Overload
(XM2-918 HP, XM2-924HP)
Overload Indication
Current Range
(approx. %)
1. Check Output current on the
display. If Output Current
is > 100% of rating, correct
overload conditions.
2. Check the configuration
switch settings on the
Power Distribution Board
match those required for
the power supply.
3. Turn all power off, wait 10
seconds, turn all power
back on.
4. Check that configuration
settings on display
(press UP and Enter
simultaneously) match
the configuration switch
settings on the Power
Distribution Board.
5. If PIM option installed,
check PIM limits on display
6. Replace Inverter Module
7. Replace power supply
Alarm, no shutdown 105 to 107.5%
Alarm, shutdown in
30m
107.5 to 112.5%
Alarm, shutdown in
10m
112.5 to 125%
Alarm, shutdown in
30s
>125%
Alarm, shutdown in
<15
Short circuit
69 017-805-B0-010 Rev. K2