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Truma Powrtouch Freedom - Electronics Control Box (ECB) - LED Status

Truma Powrtouch Freedom
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Before you call Powrtouch to report a fault you should have the serial number of your
Powrtouch available, as you will be asked for this information. It allows a Powrtouch Engineer
to locate the full manufacturing status of the mover and be able to advise you accordingly.
Also, before reporting a fault you are requested to check through the fault-finding list Section 5
Paragraph 5.5 to see if any of them can solve the problem. Failure to comply to this may result
in you be asked to carry out some of these tests, thus delaying action to repair if required.
5.3 ELECTRONICS CONTROL BOX - LED STATUS
LED Status Array in Use
Red
Light
Green
Light
Power Up Normal
OFF
ON
Incoming Data Transmission
ON
ON
Awaiting Configuration
FLASH
FLASH
LED Status Array - Fault
Diagnosis
PCB Over Heat
FLASH
Low Caravan Battery Voltage
FLASH
Over Current on MOSFET Drive
FLASH
FLASH
5.4 CHECKING THE CHARGE STATUS OF A 12 VOLT BATTERY
APPROX CHARGE
STATE
VOLTMETER READING
(No Load)
HYDROMETER READING
100%
12.7 v or over
1.27
75%
12.5 v
1.23
50%
12.4 v
1.20
25%
12.2 v
1.17
Discharged
12.0 v
1.10
Please Note: Voltage readings should be taken at least 4 hours (and could be up
to 12 hours depending upon charging rates) after recharging to obtain an accurate
reading.
The above figures are for the battery when under no load, if a battery is on
the point of failing or not fully charged then the only test that will determine
this is to take the readings under load (drop test). This can be achieved by
using the Powrtouch mover with the rollers engaged to the tyres and driving
both rollers forwards or backwards, if the reading drops to 12 volts or less
the safety cut out on the ECB will stop the Powrtouch to prevent damage to
the battery. However, this is an indication of insufficient battery voltage to
drive the Powrtouch caused by an under charged or failing battery.
PLEASE BEAR SAFETY IN MIND AND THAT BEING IN THE CARAVAN
WATCHING THE METER YOU DO NOT DAMAGE THE CARAVAN BY
RUNNING INTO AN OBSTRUCTION.
The above voltages are accurate at 25 degrees centigrade. In temperatures less
than this the battery performance and output decreases by 1.25% per degree.

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