UCHIDA HIROYUKI
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Activity overview
Latest activity by UCHIDA HIROYUKI-
UCHIDA HIROYUKI created an article,
Trouble Shooting "Utility Abnormality"
Is the valve at the gas source open? If closed, open the valve. Does the alarm recur after restarting the boiler? If it recurs, it should be checked by a maintenance contractor.
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UCHIDA HIROYUKI created an article,
Trouble Shooting "Safety stop Abnormality"
Does the alarm occur during pre-purging? If so, replace the flame detection sensor (ZUV II). Does the steam pressure exceed 0.98 MPa? If so, perform a full blow, set the steam pressure to 0, and c...
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UCHIDA HIROYUKI created an article,
Trouble Shooting "Feed water Abnormality"
Is there water in the water tank? If there is no water, replenish it. Are all valves between the feed water tank and boiler open? If any valves are closed, open them. Is the blow valve open? If s...
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UCHIDA HIROYUKI created an article,
Trouble Shooting "Combustion Abnormality"
If fuel valves (pilot gas piping and main gas piping) are closed, open them. Is the flame detection sensor (ZUVⅡ) installed correctly? If it is off from the mounting base, install it correctly. Is...