Troubleshooting; For The Installer - Bosch Tronic 3000 C Pro US12 Installation And Operating Instructions Manual
Electric water heaters
Hide thumbs
Also See for Tronic 3000 C Pro US12:
Table of Contents
Advertisement
Available languages
Available languages
US
6
Troubleshooting
If the problem persists:
The person who initially installed the unit is probably the best one to contact for help. You can also call Bosch
Thermotechnology Corporation at 800-798-8161 or visit www.bosch-climate.us. Please have this guide with you when
you call.
6.1
For the Installer
Symptom
Cold water only -neon light
off.
Water too cold -neon light
on.
Water flow too low, or
temperature too high.
Table 6
Cause
Electricity not on.
The water supply is connected to
the OUTLET of the unit.
The high temperature thermal cut
out has tripped.
The flow switch is not working.
Water flow too high for unit to
control
One element is not working.
The power supply voltage has
dropped.
Temperature is turned too low.
There are restrictions in the
plumbing.
What do do
Check electrical supply.
Reconnect the water supply to the INLET
(marked in blue).
Reset it by opening the unit and pushing the
button on the cut out (Fig. 2). Before you do
this you must find the cause of the problem.
Turn off the power and observe if the flow
switch activates when the water is turned on.
If not contact Bosch Thermotechnology 800-
798-8161 www.bosch-climate.us
Adjust water flow to recommended flow rate.
Switch off the electricity and check the
resistance of the elements.
Check the supply voltage to the heater.
Ensure that the temperature dial is in the
correct position for the flow of water.
Check the plumbing. Only use Teflon tape for
sealing pipe joints.
Troubleshooting | 15
6 720 647 088 (2011/09)
Hide quick links:
Advertisement
Chapters
Table of Contents
