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In case of successive receiving of this command, the ShPS-12 executes it and issues the Test
Starts event. The procedure of capacity measurement completes automatically. Upon completing the
procedure the ShPS-12 issues the Test Ends event.
d) To measure the battery capacity without using commands over RS-485, conduct the
following:
1) Make sure the batteries are charged higher than 80% (indicated by steady lit BAT LED);
2) Turn off the ShPS-12 input power;
3) Upon receiving a Battery Low message, apply input power, and the ShPS-12 will calculate
the resulted capacity.
2.2.8 Extreme Situation Actions
Warning
!
If sparks, fire, smoke, or smell of burning is found at the installation site of the
product, the product must be de-energized and sent for repair
2.2.9 Troubleshooting
Faults
ShPS-12 failed to be
turned on being powered
by mains
ShPS-12 failed to be
turned on being powered
by batteries
ShPS-12 transmits Bat-
tery Test Error message
ShPS-12 issues the Ser-
vice Required message
Lost communications
between the ShPS-12 and
network controller
The controller transmits
the Communication Lost
event
3.1 General
ShPS-12 shall be maintained in line with the following schedule:
Task Description
Visual inspecting of the ShPS-12 box
Inspecting of proper operation of ShPS-12
powered from both power supplies
3.2 Safety Precautions
The product shall be maintained by personnel qualified for the Electrical Safety of Level III or
higher.
Causes
1. The QF1 circuit breaker
failed.
2. Wiring faults.
3. Long time overload at the
output of the ShPS-12
The battery voltage is lower
than 10 V
1. Significantly reduced bat-
tery capacity.
2. Battery leads oxidation or
loosened battery contacts
Battery lifetime expired
1. Failed connection between
the ShPS-12 and controller.
2. Wrong connection of
transmission path to A and B
interface contacts
1. Open-circuit failure on the
transmission path.
2. The ShPS-12 has turned
off the transceiver due to a
low battery charge
3 Maintenance
Corrective Actions
1. Measure the voltage on mains circuit be-
fore and after the QF1 circuit breaker.
2. Repair wiring faults.
3. Power off the ShPS-12 for two or more
minutes, and then power it on again.
Check the battery voltage. Charge or replace
batteries as required
1. Replace batteries.
2. Clean leads; tighten wire connections of
the battery.
Replace the batteries and reset the lifetime
counter
1. Restore connection; meet the require-
ments as to 2.2.5.4 of this manual.
2. Swap the transmission path wires con-
nected to A and B contacts of the RS-485
interface
1. Recover connection.
2. Take measures to recover mains supply
Frequency
Monthly
Six-monthly
Table 7
Table 8
19
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