Bacharach MultiZone Installation & Operation Manual
Also see for MultiZone: Instruction
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Contents
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Multi-Zone Gas Monitors38 P/N: 3015-5074 Rev 114.5.4. Non Cri tical FaultsFault Code Description / Possible CausesBOX TEMP FAULT <0001> Enclosure’s internal temperature is outside normal range (or IR sensor hasfailed). Check the installation to verify that the monitor is not beingsubjected to extreme temperatures. Verify that the ventilation holes are notobstructed. Refer to the Diagnostic Screen for the ZERO temperature,BNCH temperature and BOX temperature. Call the factory with thisinformation for further instructions.BENCH TEMP FAULT <0002> Optical bench is outside of normal operating range (or sensor has failed).Check the installation to verify that the monitor is not being subjected toextreme temperatures. Check the Diagnostic Screen for the ZEROtemperature, BNCH temperature and BOX temperature. Call the factorywith this information for further instructions.PRESSURE SENSOR <0004> Manifold pressure is outside normal operating range (or sensor has failed).Check the Diagnostic Screen record ALL data. Call the factory with thisinformation for further instructions.RS485 FAULT <0008> RS-485 Communications Error.LOOP FAULT <0010> This would only be displayed if the dual 4-20 mA DC option was installedand one or both current loops are open. Check the wiring toload/monitoring circuit on both 4-20 mA loops.CONFIG FAULT <0080> There is an error in Setup Screen #2 – Number Zones Installed field, or inRDM Setup Screen #1 – Number of MZ monitors on Network field. Checkthat the number of zones installed for each MZ unit and the actual numberof MZ units on the network are properly programmed. Check to ensure thatthe manifold solenoid cable connector in each MZ unit is securely fastenedto its terminal connector. If necessary, reset to the factory default settings.4.5.5. Reset to Factory Default SettingsIMPORTANT: Performing this function wipes out all program parameters, alarms, faults,trends and log files.1. Press and hold down the UP and DOWN arrow keys on the MZ monitor (page 13).2. Cycle AC power OFF then ON.3. Hold the keys until the second beep is heard.4. The screen will indic ate “This unit has been reset to factory default conditions”.5. Release the keys.6. Reprogram the MZ as described in this manual.4.5.6. Clearing System FaultsIf the fault condition is associated with an MZ, the monitor will return to normal operation soon after theproblem is corrected. At that time the YELLOW LED will turn off and any external alarms connected to themonitor’s alarm relays will also turn off. The RD will return to normal operation the next time it polls theaffected MZ monitor.Once the system malfunction has been corrected it may take some time for the fault condition to clearcompletely. If the fault is associated with a specific zone, the MZ must first cycle back to the affected zonebefore it returns to normal operation. At that time the YELLOW LED will turn off and any external alarmsconnected to the monitor’s alarm relays will also turn off. The RD will return to normal operation the nexttime it polls the affected monitor. |
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