Stern 280200, Installation And Maintenance Manual

14

15

Illustration

solution

cause 

Indication

1.  Increase the air to soap 

ratio.

Liquid rather than 

foam is being 

dispensed out of 

the nozzle

Foam not dispensing    

2. Verify that the filter is 

clean.
3.  Replace compressor 

(supplied with pump). For 

part numbers see spare 

parts list.
Use remote to decrease soap 

volume by pressing the "- 

soap" key.

Foam dosage is too 

large

Foam is dispensing  

Use remote to increase soap 

volume by pressing the "+ 

soap" key.

Foam dosage is too 

small

Use remote to decrease the 

amount of air in the foam by 

pressing the "- Air" Key.

Foam is too dense

Use remote to increase the 

amount of air in the foam by 

pressing the " + Air" key.

Foam is too 

liquefied

tRoubleshootIng

lImIted waRRantY

Y. Stern Engineering Ltd. warrants that its electronic products will be free of defects in 

material and workmanship during normal use for two years from the date the product is 

purchased. 

if a defect is found in normal use, Y. Stern Engineering Ltd. will, at its discretion, repair, 

provide a replacement part or product, or make appropriate adjustments. damage caused 

by accident, misuse, or abuse is not covered by this warranty. improper care and cleaning 

will void the warranty. proof of purchase (original sales receipt) must be provided to Stern 

Engineering Ltd. with all warranty claims. 

Stern Engineering Ltd is not responsible for labor charges, installation, or other incidental 

or consequential costs other than those noted above. in no event shall the liability of 

Stern Engineering Ltd. exceed the purchase price of the product. 

if you believe that you have a warranty claim, contact your Stern distributor, dealer or 

plumbing Contractor. please be sure to provide all pertinent information regarding your 

claim, including a complete description of the problem, the product, model number, 

the date the product was purchased, from whom the product was purchased and the 

installation date. Also include your original invoice. 

Y. STErn EnGinEErinG And/Or SELLEr diSCLAiM AnY LiABiLiTY FOr SpECiAL, inCidEnTAL 

Or COnSEQUEnTiAL dAMAGES. This warranty excludes product damage due to installation 

error, incorrect maintenance, wear and tear, battery,  product abuse, or product misuse, 

whether performed by a contractor, service company, or the consumer. This warranty does 

not cover product damage caused by the following: 
- incorrect installation. 
- inversions of supply pipes.
- pressures or temperatures exceeding recommended limits.
- improper manipulation, tampering, bad or lapsed maintenance. 
- Foreign bodies, dirt or scale introduced by the water supply or soap tank.
- Use of the soap outside of viscosity specifications.
- Alteration of the original soap/foam dispenser components (including pipes).