tekmar 284 Boiler Control - Manual (Page 57)

© 2014 284_D - 08/14 57 of 60 A Watts Water Technologies Company
Error Messages (2 of 3)
Error Message Description Troubleshooting Tips
BOILER (#) OUTLET SENSOR MAXIMUM EXCEEDED
The boiler outlet (#) temperature exceeded the Maximum Outlet
temperature. As a result, the control stops operation for the
associated boiler. The error message self clears once the error
condition is cleared.
BOILER (#) OUTLET TEMP
EXCEEDS MAX OUT SETTING
BOILER INLET SENSOR ERROR
OPEN or SHRT displays on the screen.
Due to an open or short circuit, the control failed to read the
boiler inlet sensor. The control operates normally while the error
message is present. The error message self clears once the
error condition is corrected.
CHECK BOILER INLET SENSOR,
CHECK BOILER INLET SENSOR
WIRING
PRIMARY PUMP P1 FLOW PROOF FAILURE
The primary pump P1 has failed. Once the primary pump 1 relay
closed, a flow proof call was call not detected before the flow
proof delay time elapsed.
CHECK FLOW PROVING DEVICE,
CHECK FLOW PROVING DEVICE
WIRING
PRIMARY PUMP P2 FLOW PROOF FAILURE
The primary pump P2 has failed. Once the primary pump 2 relay
closed, a flow proof call was call not detected before the flow
proof delay time elapsed.
CHECK FLOW PROVING DEVICE,
CHECK FLOW PROVING DEVICE
WIRING
PRIMARY PUMP P1 & P2 FLOW PROOF FAILURE
Both the primary pump P1 & P2 have failed.
CHECK FLOW PROVING DEVICE,
CHECK FLOW PROVING DEVICE
WIRING
FLOW PROOF CALL ERROR
The primary pump has been turned off but the flow proof call
remains detected after 4 minutes.
CHECK FLOW PROVING DEVICE,
CHECK FLOW PROVING DEVICE
WIRING
COMBUSTION AIR PROOF FAILURE
The combustion air damper has failed. The C.A. (Aux) relay
closed, but the control did not detect a C.A. proof call before the
C.A. proof delay time elapsed.
CHECK CA PROVING DEVICE,
CHECK CA PROVING DEVICE
WIRING
COMBUSTION AIR PROOF CALL ERROR
The combustion air damper has been turned off but the C.A.
proof call remains detected after 4 minutes.
CHECK CA PROVING DEVICE,
CHECK CA PROVING DEVICE
WIRING
VENT MAXIMUM EXCEEDED
The Vent Sensor temperature has exceeding the VENT MAX
setting. As a result, the control stops operation for the entire
plant. VENT TEMP EXCEEDS MAX
SETTING
NO HEAT ALERT
The boiler supply temperature did not increase within the boiler
alert time. The control operates normally while this Alert is
present. To reset the Alert, press the ‘CLEAR’ button while
viewing this warning message.
NO CHANGE IN SUPPLY TEMP
WITHIN SPECIFIED PERIOD OF
TIME