Specifications

Part number 550-142-120/0113
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WM97+ gas-fired water boiler — Boiler Manual
Figure 95 DIAGNOSTICS menu details (continued) (see Figure 93, page 83 for access information)
DIAGNOSTICS menu (continued)
Menu/Item Units Low
Value
High
Value
Default Comment
TO RESET ALL HISTORY
COUNTERS TO ZERO:
To reset all history counters to zero: Enter the DIAGNOSTICS menu. Then press and hold the left
and right arrows located below the control display. Hold for 5 seconds. This will cause ALL history
to be deleted. To maintain history, reset counters individually.
Lockout History 2
Choose this to view the second most recent error recorded
Time & Date
text data Displays time and date that lockout occurred
Status
text data Displays what the status of the boiler at the time of the error
Manual Reset
yes or none data Choose this to view the details of manual reset lockouts
Auto Reset
yes or none data Choose this to view the details of auto reset lockouts
Inputs
menu menu Choose this to view the status of the Boiler Inputs at the time of the error
Outputs
menu menu Choose this to view the status of the Boiler Outputs at the time of the error
Temperatures
menu menu Choose this to view the Boiler Temperatures at the time of the error
Lockout History 3
Choose this to view the third most recent error recorded
Time & Date
text data Displays time and date that lockout occurred
Status
text data Displays what the status of the boiler at the time of the error
Manual Reset
yes or none data Choose this to view the details of manual reset lockouts
Auto Reset
yes or none data Choose this to view the details of auto reset lockouts
Inputs
menu menu Choose this to view the status of the Boiler Inputs at the time of the error
Outputs
menu menu Choose this to view the status of the Boiler Outputs at the time of the error
Temperatures
menu menu Choose this to view the Boiler Temperatures at the time of the error
Software Versions
Display W#.## data Software version of the microprocessor on the display circuit board
Main Micro W#.## data Software version of the main microprocessor on the control circuit board
Second Micro W#.## data Software version of the second microprocessor on the control circuit board
Manual Test Mode
Status text data Current operating status of the boiler. Prepurge, Ignition, Name of the system Type being
satisfied, post purge, Warm Weather Shutdown, Trouble
Targ e t °F data Calculated target temperature based on outdoor temp or the max setpoint if no ODR
Modulation °F data Temperature of the sensor the boiler is using to base its modulation
Boiler Out °F data Temperature of the outlet sensor on the boiler heat exchanger
Boiler In °F data Temperature of the inlet sensor on the boiler heat exchanger
Flue °F data Temperature of flue gases
Outdoor °F data Temperature of outdoor air
Blower Tach rpm data Blower’s feedback to the control
Force Rate Low, Med, High, or Auto Auto Used to manually force a rate during a call for heat. Choose auto for normal operation.
Manual Reset
Reset selected condition