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2. Heater defect: check for electrical lux and connections. The resistance of the heater
should be approx. 81 Ohm, if the value varies signiicant, the heater needs to be
changed.
3. The high temperature switch is activated: Check for level and functionality of level
switch. For reset unplug device, wait a short while and plug in again. If LED is still
enlightend, there is an defect on temperature limiting switch or electronical board.
Attention: the high limit switch can only be reset, if the temperature has fallen below
approx. 40 °C.
Causes for the high limit switch release:
1. The aeration has stopped, because of low convection the temperature at the heater
raised to much.
2. The level is too low and, due to a level sensor failure, the heater was not switched o.
3. The electronic board or temperature sensor are defect, please check the liquid tem-
perature.
Attention: A reset is only possible after cooling down!
Solution does not clean well anymore
The bioremediation process may have been reduced or prevented by the introduction
of inadequate substances or an unfavourable environment. Depending on the situation,
replacing all or part of the cleaning solution to re-start the system may be required. For
a re-start take approx. 40L out of the tank and replace by new Motul BioClean parts
washing liquid. After approx. 5 days the liquid gains its original ability to break down oil
and fat impurities. A restart with part of the used liquid will only be possible, if the micro-
organisms are not “poisoned” (for example by solvents, disinfectants or alkaline cleaner).
In case of doubt better change the complete liquid.
Solution Odour
It is normal that the Motul BioClean liquid may emit a apple odour at start-up. As oil and
grease are introduced into the cleaning solution, this odour will diminish leaving only a
faint, pleasant scent.
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