Bosch Hot Water Fault or Error Code A9

Bosch Hot Water Heater Fault or Error Code A9 Troubleshooting Guide

Is a Bosch error code A9 blinking on the digital monitor of your temperature controller for your continuous flow hot water heater? This fault code A9 signifies that the hot water outlet temperature sensor is not fitted correctly within the unit.

Bosch hot water system

When the Bosch error code A9 is displayed you may also experience no hot water or fluctuating hot water temperatures.

The water temperature sensors fitted within the Bosch tankless range of gas hot water heaters are an important safety device. They are used to monitor the hot and cold water flow settings to provide you with your pre-set water temperature when the water reaches your tap.

Another reason that may cause an A9 error code on your Bosch hot water system is a low incoming gas pressure.

Bosch hot water error code A9 troubleshooting

You can attempt to clear the error code A9 display yourself by turning the power off to the appliance, turning on your hot water tap and then turning the appliance power back on. You can also check your gas supply pressure by turning on your gas stove.  If the flame seems lower than usual check that your gas valve is open.

If the A9 fault code remains then you will need to call in a qualified technician to provide a repair.

For a fast and reliable resolve of the Bosch A9 fault code call Jim’s Plumbing

If you don’t want the hassle or stress of waiting days for a repair on your hot water heater then call in a hot water expert from Jim’s Plumbing. We will have a plumber out to your location on the SAME DAY of your booking, or within the hour* in a gas or plumbing emergency.

Our team of fully qualified plumbers are available across all metropolitan suburbs of Adelaide, Melbourne, Perth, Sydney, Brisbane and Canberra 24 hours a day, 7 days a week, including all public holidays.

We can resolve your Bosch A9 fault code issue and have your continuous flow hot water heater working as normal once more, before you know it. When you call Jim’s Plumbing you are guaranteed a prompt and reliable hot water heater repair service at an affordable cost.

Your attending plumber from Jim’s Plumbing will investigate your hot water system to adequately clear the Bosch A9 error code. The connections from the hot water outlet temperature sensor leading back to the PC board will be checked to ensure there are no loose connections or damaged parts. The temperature sensor will be checked for correct position requirements and your gas supply pressure will be measured. Any faults found will be repaired with minimal downtime to your day.

It is recommended to have your hot water heater serviced according to manufacturer’s instructions – usually once every 2 years. Periodic servicing will help to maintain the life of the appliance as well as repair any minor faults before they become a major issue.

Call Jim’s Plumbing today for a quality plumbing service, available 24/7.

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No Interest Ever!* payment plan options available on hot water heater replacements to help ease any financial stress this burden may cause. If your bosch hot water heater is leaking, or you have no hot water, we can often have a plumber to you within the hour*.

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