Rinnai ByPass Servo User Manual

17 11112014GW
Code 16 Troubleshooting Procedure
Over Temperature Warning (Safety shutdown because unit is too hot)
1. Check for low flow in circulation system causing short cycling.
WARNING: Turn off the electrical, gas and water supply to the water heater before proceeding.
2. Check for foreign materials in combustion chamber and/or exhaust piping.
3. Check for blockage in the heat exchanger fins.
4. Clean out heat exchanger fins or replace heat exchanger.

Rinnai ByPass Servo Specifications

General

Brand	Rinnai
Model	ByPass Servo
Category	Water Heater
Language	English