Mr
S
team
Installation, Operation & Maintenance Manual
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Problem
Probable Cause
Suggested Remedy
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Unit is not heating
Drain valve is open
Close drain valve - Check for leaks
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Unit is flooding
See below
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Liquid level control malfunction
Check liquid level control for contactor operation*
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Burnt out fuse(s)
Check Fuses
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Contactor malfunction
Check contactor operation
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Heating element Malfunction
Check heating element
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Flooding
Loose probe connection
Check probe connection
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Liquid level control malfunction
Check probe operation
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Solenoid valve malfunction
Check valve
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Drain is backing up
Check drain plumbing
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Too much water in steam
See below
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Too much water
There is a valley (trap) in steam line
Check plumbing
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Steam line is not insulated
Insulate steam line
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Steam line is over 50 feet
Relocate steam generator closer to steam room
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Not enough steam
Unit is undersized
Check sizing
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Voltage is insufficient
Check power supply
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Heating element malfunction
Check heating element
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Leak in steam line
Check steam line
Use only brass pipe or copper tubing
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Steam is intermittent
See below
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Steam is intermittent
Temperature control is set too low
Control turns steam on and off at set temperature
- Turn control higher, as desired
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There is a valley (trap) in steam line,
Correct pitch of steam line
allowing water to block flow of steam
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Loose electrical connection
Check wiring
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Drain is leaking
Check drain valve
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Safety valve or tank is leaking
See next page
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*See Major Electric Component Test (page 12)
Trouble Shooting
14
(water continuously
flows out of steam head)
in steam
(not hot enough)