20 Most Recent Holmes Products HCT460-U Utility Heater Questions & Answers

There is no Filter On this Model. Check to make sure there is Dirt in the Flow way of the two towers. if that is not it the back up fuse in the heater is going bad.

Holmes Products... | Answered on Dec 13, 2009

The only way to reset this heater is to unplug and waite 30 mins then Plug back in. to turn off Tower hold the Button down for 2 sec.

Holmes Products... | Answered on Dec 13, 2009

Wiring diagram for a 3-way switch, one of the many wiring diagrams showing different methods of wiring a three way switch circuit. This electrical wiring diagram shows power into light switch Box #1 – wire to light from switch box #1, and from switch box #1 to three-way light switch box #2.

Holmes Products... | Answered on Oct 01, 2018

Probably the thermostat contacts have become worn and a certain amount of arcing is happening when they close.

Replacement thermostat units used to be easy to change and were readily available for quality domestically manufactured oil filled radiators but these days it would probably be cheaper to buy an imported heater. You wouldn't lose by asking your local supplier and if they are still available check the internet price.

It would be wise to check the wiring and internal connections before junking it.

Holmes Products... | Answered on Jul 19, 2018

check your fuses, may have blown the heat side. If fuses are good, and still no heat? replace the unit.

Holmes Products... | Answered on Mar 06, 2015

It is more cost effective to replace the unit.

Holmes Products... | Answered on Nov 23, 2014

First, check the warranty to see if it still in effect. I suspect a bad contact, broken control or problem with the heater element connections. If there is no physical damage from being dropped, tripped over, etc., then something like this would be a manufacturing defect (premature failure). If it's out of warranty, and you know how to use a multimeter, you could unplug the heater and start checking the continuity of the parts and wiring inside.

Holmes Products... | Answered on Jan 07, 2014

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