Emerson SST1400, SST1000, SST2000 manual Basic Sst Service Guide, Service Indication, Service Checks

BASIC SST SERVICE GUIDE

This guide will cover most homeowner complaints. If, after checking the items listed, the unit still fails to operate properly, contact the nearest Authorized Service Center.

SERVICE INDICATION		SERVICE CHECKS
ON/OFF switch “ON”	Unit functioning Normally
Blower ON
Operating Light ON
ON/OFF switch “ON”	1.	Power is not being supplied to air cleaner.
Blower ON		A. Check fuse or circuit breaker.
Operating Light OFF		B. Ensure power pack is properly installed and latched.
	2.	Collecting cell shorted - Turn power Off - Remove power pack - Remove
		collecting cells - Replace power pack - Restore power (ensure blower is
		operating).
		A. If Operating Light comes ON check cells for bent plates, loose ionizing
		wire(s) or cracked insulator(s).
		B. If Operating Light remains OFF, malfunction is in the power pack. (See
		power supply Checkout Procedure).
ON/OFF Switch “ON”	1.	Air flow sensor contaminated/misaligned
Blower OFF		A. Remove power pack and clear contamination inside black bushing around
Operating Light ON		the small sensor element.
		B. Ensure small sensor element is centered in bushing.
	2.	Air sensor left in bypassed condition after servicing.**
	3.	Faulty air flow sensor panel.
Excessive arcing during	1.	Wet collecting cell.
normal operation -		A. Allow cell(s) to dry after cleaning before applying power.
Operating Light may blink	2.	Damaged collecting cell(s).
		A. Remove cell(s) and inspect for bent plates, loose ionizing wire(s), cracked
		insulator(s), etc.
	3.	Collecting cells dirty.
		A. Clean cells as instructed in this manual.
	4.	Faulty power supply (see power supply checkout procedure)

**NOTE: Your air cleaner may be equipped with an air flow sensor (switch) which turns the unit ON and OFF in response to the system blower. It may have been “wired out” during a service check and inadvertently left in this condition.

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