Lochinvar 402 - 2072, 502 - 2072 service manual Hazard definitions, Danger, Contents

Contents

CONTENTS	2	2. MAINTENANCE
Hazard Definitions	2	Maintenance and Annual Startup		23-30
PLEASE READ BEFORE PROCEEDING	3	3. TROUBLESHOOTING
Handling Ceramic Fiber Materials	3	Before Troubleshooting		31
When servicing appliance	3	Check Control Module Fuses		31
Appliance operation	3	Table 3A - Troubleshooting Chart - No Display		32
Appliance water	3	Checking Temperature Sensors		33
WHAT IS IN THIS MANUAL	4	Table 3D - Troubleshooting Chart - Noisy System		34
1. SERVICE		Table 3E - Troubleshooting Chart - Fault Messages..		35-42
The Copper-fin Display	5	Revision Notes	Back Cover
Control Inputs	6
Control Outputs	7
General Operation	8
Sequence of Operation	9-10
Display Panel Menu Access	11
Display Panel Parameter Access	12
Parameter Table	13-14
Viewable and Changeable Control Parameters	15-22

Hazard definitions

The following defined terms are used throughout this manual to bring attention to the presence of hazards of various risk levels or to important information concerning the life of the product.

￿DANGER

￿WARNING

￿CAUTION

CAUTION

NOTICE

DANGER indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.

WARNING indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

CAUTION indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.

CAUTION used without the safety alert symbol indicates a potentially hazardous situation which, if not avoided, may result in property damage.

NOTICE indicates special instructions on installation, operation, or maintenance that are important but not related to personal injury or property damage.

2