Troubleshooting

Display

Cause

Solution

 

 

 

EA

No flame ionization detected with water

1. Verify that all manual gas shut off valves are open.

 

flow.

2. Verify gas type (See Fig. 2) corresponds with the

 

(part# 8708107020)

type of gas supplied to the heater.

 

 

3. Reset error code and open a water tap to cycle

 

 

the heater in an effort to purge air from gas line

 

 

(especially on new installations). Cycling hot water

 

 

tap on and off multiple times may be necessary. If

 

 

heater still faults with EA error code, have a licensed

 

 

gas technician properly purge air out of the gas line

 

 

leading to the water heater.

 

 

4. Verify the three yellow wire connections to the set

 

 

of electrodes (underside of the burner assembly)

 

 

are secure.

 

 

5. Verify gas pressure meets specifications outlined

 

 

in chapter 3.8*.

 

 

6. Verify venting meets specifications outlined in

 

 

chapter 3.6. Improper venting may cause premature

 

 

failure of the flame sensor rod.

 

 

7. Observe inside the viewing window of the heat

 

 

exchanger when a hot water tap is opened.

 

 

Sparking should be followed by a steady blue flame.

 

 

If not, Call Bosch Water Heating with observations.

 

 

Readings from above gas pressure test will be

 

 

required.

 

 

 

EC

Ionization failure during operation.

1. Verify gas type (See Fig. 2) corresponds with the

 

(part# 8708107020)

type of gas supplied to the heater.

2.Verify the three yellow wire connections to the set of electrodes (underside of the burner assembly) are secure.

3.Verify that venting meets specifications per chapter 3.6. Improper venting may cause premature failure of the flame sensor rod.

4.Check gas pressure. See chapter 3.8*.

5.Check and adjust CO2 readings. See

 

 

chapter 5.4.

 

 

 

6. Gas valve or flame sensor may be damaged. Call

 

 

Bosch Water Heating with observations and results

 

 

of previous steps.

 

 

 

 

E0

Internal hardware/software failure.

1. Disconnect power supply cord and check the two

 

(part# 8707207239)

wire connectors on the control board.

 

 

 

2. Pushing the wrong combination of buttons on the

 

 

control unit can create confusion among the

 

 

microprocessors inside. In this case, the error code

 

 

should not happen more than once or twice. Turn off

 

 

the water heater. Turn water heater back on and

 

 

reset error code. Only use the reset button (

) to

 

 

reset any error codes.

 

 

 

3. Possible defective control unit call Bosch Water

 

 

Heating for further instructions.

 

Table 12

* By installer or service technician only.

6 720 608 263

39

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Bosch Appliances 2400E LP, 2400E NG manual No flame ionization detected with water
Page 38 Page 40

2400E NG, 2400E LP specifications

Bosch Appliances has long been synonymous with quality and innovation in the kitchen appliance sector. Among their impressive lineup, the Bosch 2400E LP (Liquid Propane) and 2400E NG (Natural Gas) models stand out as prime examples of the brand’s commitment to performance and functionality.

Both the 2400E LP and 2400E NG are designed with user convenience and culinary excellence in mind. One of the most notable features of these appliances is their exceptional heat distribution, which ensures that food cooks evenly. This is particularly beneficial for grilling, where inconsistent heat can lead to unevenly cooked meals. The burners are crafted to provide high-efficiency performance while consuming less fuel, making them an economical choice for both home cooks and culinary enthusiasts.

Each model boasts a sleek, modern design that can seamlessly integrate into various kitchen styles. The stainless steel construction not only enhances aesthetics but also increases durability, ensuring the appliance can withstand the rigors of daily use while maintaining its appearance. The 2400E series also features a compact size, making it suitable for kitchens of all dimensions, including those with space constraints.

In addition to design and performance, safety features are a priority for Bosch. The 2400E models come equipped with sturdy flame control knobs, allowing users to adjust heat settings with precision, reducing the risk of accidental flare-ups. Moreover, the integrated ignition system is designed for reliability, ensuring that starting the unit is hassle-free.

Versatility is another hallmark of the Bosch 2400E LP and NG models. These appliances are compatible with a range of cooking accessories, from griddles to rotisserie attachments, providing multiple cooking methods to satisfy diverse culinary endeavors. The grease management system is another highlight, simplifying cleanup and maintenance after cooking sessions.

Another innovative technology in the Bosch 2400E series is the Smart Grilling feature, which includes temperature sensors that provide real-time feedback. This allows users to monitor cooking progress effortlessly, enhancing the overall cooking experience. The models also include a robust warranty, ensuring peace of mind for consumers.

In conclusion, Bosch Appliances’ 2400E LP and NG models represent a fine balance of innovation, safety, and style. With their powerful cooking capabilities, thoughtful design features, and user-friendly technologies, they stand as excellent choices for anyone looking to elevate their cooking experience.
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