Bradford White D100L199 User Manual

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Manual 47985A REV 08/18
SERVICE
MANUAL
Troubleshooting Guide
and Instructions for Service
(To be performed ONLY by
qualified service providers)
Models Covered
by This Manual:
For The Bradford White
“D” Series Models:
D38T155
D75T(125,160,300)
D65T(370,399)
D80T(180,199,250)
D80T(425,505)
D100T(199,250)
D80L(399,450,505)
D100L(199,250,270,300)
D100S(199,250)
Gas Water Heaters
COMMERCIAL 24 VOLT FLUE DAMPER
SERIES WATER HEATER WITH HONEYWELL
INTEGRATED CONTROL SYSTEM
®

Bradford White D100L199 Specifications

General

Model Number	D100L199
Capacity	100 gallons
Energy Factor	0.62
Energy Source	Natural Gas
Warranty	6 years
Vent Type	Atmospheric Vent
Voltage	120V

Summary

Introduction

Tools Required for Service

Lists necessary tools for servicing the water heater.

Troubleshooting

Accessing Service Mode

Steps to enter and navigate the service mode on the water heater display.

Error Code Definitions

Explains error codes displayed on the water heater and their meanings.

Resetting Lockout Conditions

Procedures for resetting soft and hard lockout conditions on the water heater.

Service Procedure D24-I Thermostat Circuit Testing

Thermostat Circuit Testing

Procedure for testing the thermostat circuit and related components.

Service Procedure D24-II Pilot Operation Testing

Pilot Operation Testing

Steps to test pilot light operation and identify ignition issues.

Service Procedure D24-III Main Burner Operation Testing

Main Burner Operation Testing

Procedure to test main burner ignition and operation.

Service Procedure D24-IV Control Board Replacement

Control Board Replacement

Step-by-step guide for replacing the control board.

Service Procedure D24-V Flue Baffle Removal, Inspection

Flue Baffle Removal, Inspection

Instructions for removing and inspecting the flue baffle for damage or obstruction.

Service Procedure D24-VI Anode Removal and Inspection

Anode Removal and Inspection

Steps for removing and inspecting anode rods for depletion.