Troubleshooting - FULTON Endura EDR-750 Installation And Operation Manual

MAINTENANCE

Troubleshooting

Use the following table as a guide to troubleshooting your boiler.
PROBLEM
No Power /
Control does not illuminate
Boiler in Standby /
No Call for Heat
LCI OFF - Lockout or Hold
63
ILK OFF - Lockout or Hold
67
Fan speed not proved -
Lockout or Hold 62
Light off rate proving failed
- Lockout or Hold 122
Purge rate proving failed -
Lockout or Hold 123
4-10
CAUSE CHECK
Power / Wiring/ 1. Verify Incoming 120VAC power.
Connections
2. Verify Control Fuse in Boiler Panel.
3. Verify 120VAC Input to 24VAC Transformer and corresponding terminal blocks.
4. Verify 24AC Output from transformer ( 20- 28VAC) and corresponding terminal blocks.
5. Verify 24VAC at SOLA base (pins J8-1, J8-2) and corresponding terminal blocks.
6. Verify 24VAC at SOLA display (pins 7, 8) and corresponding terminal blocks.
Power / Wiring/ 1. Verify LCI circuit input at SOLA base including switch position, Auxiliary Interlocks, and BMS
Enable/Disable contact closure (pin J6-3).
Connections
2. Verify ILK circuit input at SOLA base including Limit String and Auxiliary Safeties (pin J5-1).
3. Verify STAT circuit input at SOLA base including switch position, and BMS Enable/Disable
contact closure (pin J8-3).
Controller / Settings 1. Clear and Satisfy any Lockouts or Holds
If boiler is in Central Heat (Standalone) mode:
1. Verify Central Heat mode is enabled (Configuration Menu >> CH - Central Heat Configuration
>> CH Enable under Central Heat Heading)
2. Verify Setpoint and Hysteresis settings (Configuration Menu >> CH - Central Heat
Configuration >> Setpoint Heading)
3. Verify that the Warm Weather Shutdown is not active (Configuration Menu >> Warm
Weather Shutdown Configuration)
If boiler is in Lead / Lag (Multiple Boiler Sequencing) mode:
1. Verify Staging Method at Master boiler (Configuration Menu >> Lead Lag Master
Configuration >> Advanced Settings >> Method 1 under Add Stage Heading)
2. Allow time for Detection and Interstage Delay Times to expire at Master boiler (Configuration
Menu >> Lead Lag Master Configuration >> Advanced Settings >> Add Stage Heading)
3. Verify Setpoint and Hysteresis settings (Configuration Menu >> Lead Lag Master
Configuration >> Advanced Settings >> Add Stage Heading)
4. Verify that the Warm Weather Shutdown is not active (Configuration Menu >> Lead Lag
Master Configuration >> Advanced Settings >> Warm Weather Shutdown Heading)
Verify LCI circuit input at SOLA base including switch position, Auxiliary Interlocks, and BMS
Power / Wiring /
Enable/Disable contact closure (pin J6-3)
Connections
Verify ILK circuit input at SOLA base including Limit String and Auxiliary Safeties (pin J5-1)
Power / Wiring /
Connections
Controller / Settings Check the Alarm History to determine what triggered the fault Details >> History >> Lockouts
>> Select the desired lockout to see the 'First out'
Power / Wiring / ** A Yellow Hold is not an issue unless the fan speed does not reach the required rate and
Connections
locks out.
1. Verify Incoming 120VAC power
2. Confirm that the Blower is running
3. Confirm the Fuse for the Blower.
4. Confirm the wiring harness and connection for 120VAC power.
5. Confirm the wiring harness and connections between the blower and SOLA base (J2 plug).
Boiler / 1. Pull and Clean the Burner with compressed air (requires burner gaskets)
Maintenance Items
2. Check for blockages or obstructions in the Air Intake or Exhaust venting.
3. Verify that the 3-position damper is opening AND closing to the appropriate positions.
SECTION 4
EDR-IOM-2019-0212
© Fulton Group N.A., Inc. 2019