White Rodgers MCD1200B, MCD1200W, MCS600B, ECS750B Basic Service Guide, Condition Possible cause Solution

Technical Repair Guide

10 BASIC SERVICE GUIDE

The Basic Service Guide should cover most performance issues. If after checking the items listed, the air cleaner still fails to operate properly please contact your distributor.

Condition	Possible cause	Solution
Air cleaner inoperable.	Malfunctioning safety switch.	Properly close the extraction grid or contact your
		service person.
	Disconnected from power.	Reconnect power.
	Faulty cord or plug.	Distributor to replace the cord or plug.
	Faulty hardware and/or software.	Contact your distributor for replacement parts.
Poorly operating or malfunctioning	(Nearly) exhausted battery.	Check the red led above the • button on the
remote control.		remote control by pressing any button. Replace the
		battery if the led is not activated.
Fan fails to rotate.	Defective fan.	Contact your distributor for replacement parts.
	Faulty hardware and/or software.	Contact your distributor for replacement parts.
Fan works but the air cleaner	One or more filters are polluted.	Replace or clean the filters.
functions poorly or not at all.
	Vents are closed.	Open one or more of the vents (see section 5).
	Dirt in the electronic filter causes a short-circuit	Clean the electronic filter.
	(STANDBY led blinks)
Crackling sound from the electronic	Electronic filter dirty or wet.	Clean or dry the electronic filter.
filter.
	Missing prefilter.	Install prefilter.
The air cleaner cannot be	Control is locked out.	See Program Setting # 4 (page 7) to unlock.
controlled manually.
STANDBY led blinks.	Dirt in the electronic filter causes a short-circuit.	Clean the electronic filter.
	Short-circuit in the electronic filter by a broken	Contact your distributor.
	ionizing wire and/or bent collector plates.
	Air cleaner is in PROGRAM mode.	Push the PROGRAM button on the remote control
		once or several times to scroll through the menu or
		wait for 1 minute.
•••• and • leds blink.	The Service Indicator indicates that the filters are	Clean the electronic filter or replace the media
	clogged.	filter.
The fan speed does not increase	Fan speed limited.	See Program Setting # 6 (page 8) to change
when using the Air Quality		maximum fan speed.
Analyzer.
The Air Quality Analyzer starts	Sensor reacts to, for instance, high or low humidity	The sensitivity will adjust itself after some time.
while the atmosphere is apparently	or fumes from cleaning agents.
clean.
	Air Quality Analyzer is too sensitive.	Contact your distributor.
Smells are no longer adsorbed.	Activated carbon filter or Odor Free filter is	Replace the activated carbon filter or Odor Free
	saturated.	filter.

0508082120/101203/C Page 10 Owner’s manual