Question about Bosch 1600H-LP Liquid Propane AquaStar AquaStar Liquid Propane Tankless Water Heater
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Posted on Jan 02, 2017
The manual says to hold a match near the pilot while the ignitor is trying. It says that if the unit lights the pilot orifice may be dirty or clogged. We cleaned ours to no avail. Then the manual says to check the voltage on the igniter. It should be 1.3 volts DC minimum. I just checked mine, and it was under .85 volts DC. According to the manual that means the electronic control box is defective.
Posted on Mar 24, 2009
BOSH AQ 250 On demand propane water heater ran out of propane, got gas now, but get EC flashing on the display and the unit won't fire? Lost manual, any suggestions. Thanks, Jim
Posted on Feb 23, 2011
SOURCE: roblem with the Bosch 1600H-NG
Problem could be air supply, gas supply, venting, part failure or combination of listed things.
Best place to start is manual.
Typical 1600 manual shows troubleshoot starting page 19
Bosch has online tech support form:
BOSCH error codes:
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Posted on Mar 05, 2011
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