Troubleshooting

PCA

7.2 Error Codes

If one of the following messages appear at the bottom of the Sensor Status Screen, refer to Section 7.3 Troubleshooting Guide for information on how to correct the error.

O2 - SENSOR ERROR

O2 Sensor not connected, or is expired, or

 

was exposed to combustion gases during

 

warmup.

CO - SENSOR ERROR

Carbon Monoxide sensor is expired, or was

 

exposed to Carbon Monoxide during

 

warmup.

NX - SENSOR ERROR

Nitric Oxide sensor is expired, or was

 

exposed to Nitric Oxide during warm up,

 

or the bias battery is dead.

TL-SENSOR ERROR

Room air thermocouple is outside the

 

range of –20 to 100 °C (–4 to 212 °F)

TA-SENSOR ERROR

Flue Gas thermocouple is not connected

 

or is outside the range of –20 to 1200 °C

 

(–4 to 2192 °F)

DRAFT-SENSOR ERROR

Outside the range of –7.5 to +7.5 mb

 

(– 3 to + 3inches of water column)

LOW BATTERY

Battery voltage has dropped below 3.9 volts.

 

The instrument will shut off when battery

 

voltage drops below 3.5 volts.

“– – – –”

Not calculated (O2 above 18.8%,

 

or the temperature is above 1200 °C

 

(2192 °F), or sensor error

“* * * *”

Sensor not installed

“XXXX”

Overrange (numeric)

7-2

Instruction 24-9351

Page 74
Image 74
Bacharach 24-9351 manual Error Codes, NX Sensor Error

24-9351 specifications

The Bacharach 24-9351 is a cutting-edge combustion analyzer designed for professionals in the HVAC and building maintenance industries. Known for its reliability and precision, this instrument plays a crucial role in ensuring that heating systems operate safely and efficiently.

One of the primary features of the Bacharach 24-9351 is its ability to accurately measure various combustion gases, including carbon monoxide, carbon dioxide, and oxygen levels. This multi-gas measurement capability allows technicians to diagnose combustion problems quickly and effectively, leading to improved system performance and enhanced safety for end users.

The analyzer is equipped with a high-resolution display that provides real-time readings, making it easy for technicians to analyze data on-site. Additionally, the intuitive interface is designed for ease of use, allowing users to navigate through functions and settings without extensive training.

Durability is a key characteristic of the Bacharach 24-9351. It is built to withstand the rigors of fieldwork, with a robust housing that protects it from dust, moisture, and other challenging environmental conditions. This durability is complemented by long battery life, ensuring that users can rely on the device for extended periods without interruption.

In terms of technologies, the Bacharach 24-9351 utilizes advanced sensors that ensure accuracy and repeatability in measurements. Its innovative combustion efficiency calculation provides users with essential insights into the efficiency of their heating systems, allowing for timely adjustments and tuning. This capability not only optimizes performance but also contributes to energy savings and lower operational costs.

Another notable feature is the data logging function, which allows users to store and retrieve measurement data for later analysis. This is particularly beneficial for monitoring system performance over time and making informed decisions regarding maintenance and repairs.

In summary, the Bacharach 24-9351 is an essential tool for HVAC professionals, combining accurate gas measurement, user-friendly design, and robust durability. Its advanced technologies and features make it a valuable asset for ensuring safe, efficient, and effective combustion analysis in various applications. Whether used for routine maintenance or troubleshooting, this analyzer stands out for its reliability and precision.