Leave the battery out for at least 60 seconds.
This will delete any user programming and reset
the controller.
Refit the battery (or new battery is necessary)
Carefully re-fit the front cover by connecting the
ribbon cable from the power PCB assembly in
the base unit.
Using a small pozi-head screwdriver, re-fit the 4
fixing screws retained from earlier.
Refit the four plastic fixing plugs retained from
earlier.
Turn the mains isolator back on.
Refer to the SmartCom² User Manual if further
settings are required
If the LCD screen display appears ‘blank’ or
‘freezes’ during programming, power to the
SmartCom² will have to be removed to allow for
the default settings to be recovered.*
In such a scenario, the lithium coin cell must be
removed form the controller for a period of time.
The information contained in this technical bulletin
is designed to aid a qualified or competent service
technician in the instruction it is intended for.
* Assuming ribbon cable connections has previ-
ously been checked for ware and connections are
correctly made to both the pcb’s
Tools required.
The following tools and equipment will be re-
quired to complete this task:
1. Small pozi-head screwdriver
2. Electrical screwdriver
3. SmartCom Owners manual
4. New Battery (if required)
Step by step instructions.
ENSURE ALL ELECTRICAL SUPPLY TO
THE HEATER AND THE SMARTCOM²
CONTROL PANEL ARE ISOLATED BEFORE
PROCEEDING.
Using a small electrical screwdriver, carefully
remove the 4 plastic fixing plugs located at
each corner of the front cover. Retain for later.
Using a small pozi head screwdriver, remove
the 4 retaining screws. Retain for later.
Carefully lift the front cover and unplug the rib-
bon cable from the power PCB assembly in the
base unit.
The battery is located on the pcb board on the
reverse side of the controller lid.
Using a small electrical screwdriver, carefully
prise upwards and remove the battery.
fig.1 battery location
Battery specifications
Reference: CR2032
Type: Lithium coin cell
Voltage: 3.0V
Service life: app. 5 years
Width: 20mm
Thickness: 3.2mm
Also known as: DL2032, BR2032, KL2032,
ECR2032, 5004LC, KCR2032, ECR2030,
KECR2032, SB-T15, L14
DOC REF GB/TB/014/0107
Ambi-Rad Limited Fens Pool Avenue
Brierley Hill West Midlands
DY5 1QA United Kingdom
Telephone 01384 489700
Facsimile 01384 489707
UK sales email sales@ambirad.co.uk
Website www.ambirad.co.uk
Database www.s-i-d.co.uk
is the registered
Trademark of Ambi-Rad Limited.
Due to continuous product
innovation, Ambi-Rad reserves
the right to change product specifi-
cation without due notice.
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