Ooler sleep system, bed cooling pad

The listing

Sleepme ooler cooling pad. Does not hold at set temperature. Brand new repair kit C installed. - New pump - New daughter card/ control board - New fan - New hoses Pump, fan, display screen, and controls all work. I just can't figure out if the water overheat protection chip is malfunctioning/how to replace or or if it is something else. Included: - Ooler control unit & power cable - Drain key - Insulated connector tubes - Cooling Pad - Original parts that were replaced by repair kit Could use for parts, or tinker to fix the temp issue Cash only