Johnson Controls tyco Power Pro Series Reference Manual page 239

Trouble [2] Module Battery Trouble Press [02] to determine specific trouble
[14] HSM3350 low battery 2
Enter 14 to view which HSM3350
has a battery voltage less than
11.5V.
[15 ] HSM3350 no battery 1
Enter 15 to view which HSM3350
does not have a battery connected.
[16] HSM3350 no battery 2
Enter 16 to view which HSM3350
does not have a battery connected
Section 7: Troubleshooting
Verify voltage measured across DC input terminals is 16-18 VAC. Replace HSM65W power supply
adapter if required.
Connect battery, remove AC power.
Verify measured voltage across Aux terminals is 12.5VDC min.
Replace battery if it is no longer able to hold a charge due to age.
Verify battery is connected.
Ensure battery leads are connected with the right polarity.
Connect battery, remove AC power.
Verify measured voltage across Aux terminals is 12.5VDC min
Verify battery is connected.
Ensure battery leads are connected with the right polarity.
Connect battery, remove AC power.
Verify measured voltage across Aux terminals is 12.5VDC min
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