My central heating comes on fine on the timer but the hot water just refuses to fire up. the HW indicator light on the programmer is illuminated but no HW. Any ideas before I buy another programmer?
Dear dbperce or anyone else,.... I got the same problem.
I got potterton ep2001 timer with honeywell walves and thermostat on tank.
Everything was working fine, until one day when i woke up, found my HW not hot as it should be. turned the HW mannually on, the light of HW lit, but boiler refused to turn on. However, boiler turns normally on for CH.
Kindly help, as my CH is working as normal. MY HW not working. Red led light on display lits, but water doesn't turn hot. the boiler don't turn on in case of HW. HELPPPPP
Well, Just for those who might be facing the same problem. I did solve the problem myself . The problem lied in the valve motor for hotwater. I check the terminal voltage of the motor, where, when the timer turned on, the voltage started coming, but the valve wasn't turning on. I manually rotated the valve carefully by a screw driver, it opened the valve and turned the bolier on aswell (by the secondary switch). Thus I changed the valve motor, and the problem is solved......
Hope it helps those who mighte be facing the same problem
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