Bosch D8132 - Troubleshooting; LED Status Troubleshooting; Battery Lead Voltage Check; Electrical Specifications

10 en | Troubleshooting Battery charger modules
2018.05 | 4.0 | F.01U.036.305 Installation manual Bosch Security Systems, Inc.
5 Troubleshooting
The LED on the module is used to indicate the operational status of the Battery Charger. The
following table describes the different states of the LED.
Symptom Diagnosis Remedy/description
LED color LED status
Green ON AC transformer power present No action
OFF AC transformer power not
present
– Check if the Transformer
is plugged into a non-
switched outlet.
– Check 120 VAC supply to
outlet.
– Check if transformer has a
faulty secondary; fuse may
be blown.
Tab.5.2: LED status troubleshooting
To insure the module is not faulty, meter the battery leads of the module. A reading of
13.80VDC or higher indicates the unit is functioning normally.
6 Specifications
Electrical
Float Voltage
1
13.9VDC maximum
Supplied Voltage 16.5VAC, 40VA supplied by D1640 plug‑in transformer
Supplied Current 1.2A
Ampere-hours 27Ah maximum
1
measured with batteries in circuit
Mechanical
Dimensions (HxWxD) 0.75in. x 3.0in. x 5.0in. (1.9cm x 7.6cm x 12cm)