Maintenance, Troubleshooting – Fulton Electric (FB-L) Steam Boiler User Manual

Page 32

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Troubleshooting

Problem

Cause

Check

Primary Voltage Circuit

C. Wiring Connections

With power off, check continuity of circuit through each
point in the circuit. If a break in the circuit is found,
repair. After repair, recheck with continuity light with
power off. Turn power on and check with an amp meter.

D. Burned or Broken Wiring

With power off, check continuity of circuit through each
point in the circuit. If a break in the circuit is found,
repair. After repair, recheck with continuity light with
power off. Turn power on and check with an amp meter.
Verify wire size is sufficient for amp draw.

E. Contactor Contact Points

If burned or dirty, clean with fine emory paper. If burned
through, replace. If not engaging completely,coil may be
weak. Replace.

F. Elements Shorting or Open Circuit

With power using a continuity tester, check to see if an
element is burned out between each point. If power is
on, a volt meter may be used. If an element is bad,
replace.

Low Water Condition

A. Circulating Pump

Clean or replace all filters or screens to assure proper
water flow through them.

B. Water Makeup Supply

Check to see that your supply water has not been shut
off or that there are no restrictions in the line leading to
the boiler.

C. Leaks in the System

Check piping for any leaks.

Scale Formation Elements

A. Hardness, Salt, Precipitation

Softener perfomance

B. High Dissolved Solids

Blowdown Schedule

Poor Steam Quality

A. High Alkalinity in Boiler Water

Adequate blowdown schedule or over feeding of water

B. High Organics in Boiler Water

treatment chemicals

C. High Total Dissolved Solids in Boiler Water

28

Maintenance

Electric IOM

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