Troubleshooting Table For General Errors - A.O. Smith ADMR-40 Installation, User And Service Manual

13.2 Troubleshooting table for general errors

Warning
Maintenance may only be performed by a qualified service and maintenance engineer.
General errors
Symptom Cause
Gas smell Gas leak
Display is off Appliance is turned off
No supply voltage
present
Defective fuse(s)
Water leakage Leakage from a water
connection (threaded)
Leakage from another
nearby water appliance
or pipe segment
Leakage from the
appliance's tank
Condensation
Symptom Cause
Instruction manual ADMR
Solution
Close the main gas valve immediately.
Do not operate any switches.
No naked flames.
Ventilate the boiler room.
Start the appliance up (9 "Starting and running")
1. Check if the isolator is ON.
2. Check that there is power to the isolator.
3. Check whether the ON/OFF switch of the electronic controller is
ON (position I).
4. Check whether there is power to the electrical connector block.
5. The measured voltage must be 230 VAC (-15%, +10%).
Replace fuse(s)
Tighten the threaded connection
Trace the leak
Consult the supplier and/or manufacturer
Before drawing (too much) tap water, wait until the water in the
boiler has reached the set temperature.
Solution
Remark
Contact your installation engineer or local gas company
immediately.
See the ADMR electrical diagram (17 "Appendices")
If the error persists, consult your installation engineer.
To replace the fuses, you must contact your installation engineer.
If the leak persists, consult your installation engineer
Remark
is
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