Table Of Contents - American Water Heater 160X3P Manual

On-demand water heater, condensing models

Table of Contents

SPECIFICATIONS ............................................................................................................................................................................................4

INTRODUCTION ............................................................................................................................................................................................5

General Installation Guidelines ...................................................................................................................................................................................................5

NORMAL OPERATION ...................................................................................................................................................................................6

Activation ..................................................................................................................................................................................................6

Operation ..................................................................................................................................................................................................6

Shutdown ..................................................................................................................................................................................................6

Preliminary Checklist .................................................................................................................................................................................6

Gas/Water/Electric: .................................................................................................................................................................. 6

TROUBLESHOOTING .....................................................................................................................................................................................7

Remote Controller: ................................................................................................................................................................... 7

High Altitude: ............................................................................................................................................................................ 7

Vent Length : ................................................................................................................................................................................ 7

Technology: ....................................................................................................................................................................... 7

New Installations: ..................................................................................................................................................................... 7

Test to determine if the problem is related to plumbing or the water heater: ........................................................................ 7

Next Step: ................................................................................................................................................................................. 8

General Issues ...........................................................................................................................................................................................8

Water is too hot or not hot enough. ......................................................................................................................................... 8

Temperature fluctuates when a fixture is opened. .................................................................................................................... 8

Unit does not operate when water goes through it.

Abnormal sounds come from the unit. ...................................................................................................................................... 9

ERROR CODES ..........................................................................................................................................................................................11

Code 031: Incorrect DIP Switch Settings ................................................................................................................................. 16

Code 051 or 101: Combustion Air and/or Exhaust Gas Blockage ............................................................................................ 16

Code 111 or 121: Ignition Failure / Flame Loss ....................................................................................................................... 16

Code 201: Combustion Air and Gas Line Failure ...................................................................................................................... 17

Code 211: Air Pressure Sensor Failure ..................................................................................................................................... 17

Code 311, 321, 331, 341 or 351: Thermistor Failure ............................................................................................................... 18

Code 391: Flame Rod Failure .................................................................................................................................................. 19

Code 441: Flow Sensor Failure ................................................................................................................................................ 19

Code 511: Abnormal Main Gas Valve (MV)

Code 521: Air Damper Failure .................................................................................................................................................. 19

Code 551: Abnormal Solenoid Gas Valve (SV1, SV2, and/or SV3) ........................................................................................... 19

Code 611: Abnormal Fan Motor ............................................................................................................................................. 20

Code 631: Pump Fault ............................................................................................................................................................................................ 20

Code 651: Flow Adjustment Valve Fault .............................................................................................................................................................. 20

Code 661: Bypass valve fault ................................................................................................................................................................................. 21

Code 701: Computer Board Fault ........................................................................................................................................... 21

Code 711: High Limit Switch / Overheat Cutoff Fuse Circuit is Compromised ........................................................................ 21

Code 721: False Flame Detection ............................................................................................................................................ 22

Code 741: Remote Control Problem ....................................................................................................................................... 22

Code 751: Temperature Controller Problem .......................................................................................................................... 22

Code 761: Communication Error in Easy-Link System ............................................................................................................. 22

Code 991: Combustion Air and/or Exhaust Gas Blockage (also Code 051 and 101) ............................................................... 22

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On-Demand Water Heater Service Handbook for X3P Models

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