Chapter 4: Maintenance
2X Series Installation Manual 107
Battery maintenance
The control panel requires two 12 V, rechargeable, sealed lead-acid batteries
with 7.2, 12, or 18 Ah capacity. Compatible batteries for this product are shown in
Table 61 below.
Batteries are located inside the control panel cabinet and must be installed in
series. Polarity must be observed. Connect batteries to the BAT connector on the
control panel PCB.
Table 61: Compatible batteries
UTCFS BS127N
Fiamm FG20721/2
Yuasa NP7-12
UTCFS BS130N
Fiamm FG21201/2
Yuasa NP12-12
UTCFS BS131N
Fiamm FG21703
Yuasa NP17-12
Battery test fault indications
A flashing Supply Fault LED indicates a battery fault or a battery cable fault.
Additional information for the fault is displayed on the LCD, as shown below.
Table 62: Battery fault messages
Battery high resistance FLT
The batteries may be damaged or fully discharged
The batteries may be damaged
The batteries are disconnected or no batteries are installed
There is a battery cable short circuit
If the control panel reports any of the above battery faults, check the battery
cables. If the cables are in good condition and all connections are correct, then
the batteries should be replaced immediately.
In addition to the above, the following battery charger faults may display:
• Battery charger: sensor HI
• Battery charger: sensor LO
• Battery charger: overvoltage
• Battery charger: undervoltage
• Battery charger: compensation
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