SS Service Soon reminder

What the control is telling you

Service reminder (when enabled in parameters) showing it is time to flush and service the boiler.

Applies to: I-Series Plus boilers — 150K BTU and smaller and 175K BTU and higher (Combi and Solo)

Likely causes

• Service Soon reminder enabled in Parameter 04
• Selected service interval has been reached

Test and repair steps

1. Service and flush the boiler as needed.
2. Reset SS by pressing the Central Heating (CH) button on the controller five times within five seconds.
3. Confirm Parameter 04 is set to the desired interval: A = disabled, B = 0.5 year, C = 1 year, D = 2 years.
4. SS will show again when the selected interval is reached next time.

Models that show this code

8 models in I-Series Plus 150K and smaller, I-Series Plus 175K and higher

Other codes on the same units

• 700 PC Board fault
• 710 Gas solenoid circuit – valve position mismatch
• 720 Flame rod fault
• 763 0-10V external control input over-voltage
• 890 Freeze condition detected
• 999 PC Board / software mismatch
• FFF Maintenance performed marker
• LC Lime condition – flush plate heat exchanger