FT301/399
The 10 most common error codes on the Laars FT wall hung and FT floor mount boilers with explanations and most commonly seen causes and remedies
E10(Hard Lockout)-Flame has Extinguished 8 times: It is all about combustion. Air, Fuel, Spark. Burner plate. Error Code 10 E11(Hard Lockout)- Ignition Failed 10 times. Again, all about combustion. Air, Fuel, Spark. Ignitor, gas valve, blower, intake ...
Laars FT and Tekmar 30x P, V, Zone Panels Modulating Signal ( 0-10V, 4-20mA)
*Important* information regarding the use of Tekmar 30x Zone Panels with Laars FT Boilers..... When utilizing a Tekmar 30x zone panel with Laars FT boilers when Tekmar is selected to control modulation signal , ALWAYS make sure that the dipswitch (#5 ...
Pumps for MFTCW 140, MFTCW199
Boiler Pumps (Primary) MFTCW140, MFTCW199 MFTCW 140 = FT1222 (Hard wired with strain relief bushing attached) . MFTCW 199 = FT1798 (Molex connector plugs into pump, short patch cord included) . * These two pumps are identical in mounting, size, head ...
Blower Fan Models MFTCW 140, MFTCW 199
MFTCW140= FT1407 (Serial #'s F1800309-Present) (Two Vacuum Tube APS -closed barb) (Revision 24) *New Style* MFTCW140= FT1405 (Serial #'s F1500000-F1800308) (Single Vacuum Tube APS-open barb) (Revision 22) *Old Style* MFTCW199= FT1916 (All) * ...
Blower Fan Models MFTHW 80, 100, 120, 140, 199
Blower(Fan) Model MFTHW80= FT1862 MFTHW100= FT1863 MFTHW120= FT1864 MFTHW140= FT1407 MFTHW199= FT1916 *Manufacturers Illustration in ATTACHMENTS
Laars FT Fan Speed Errors ! 44 and 41 -All models and sizes .
It has been brought to my attention that there is a company that publishes manuals that suggests "adjusting fan speed" when an Error 44, 41 is seen . WE ARE NOT SUBSCRIBING TO THAT ! When an Error 44, or 41 is seen WE ARE CHECKING PROPER exhaust and ...
LAARS FT "SERIES" FTCW199 photos of changes
LAARS FT "SERIES" photos of changes. In attachments -17 photo files
Annual Maintenance LAARS MFTCW
Annual Maintenance of LAARS MFTCW Annual Flushing of CH Heat Exchanger as outlined in the I/O Manual Section 8 , pages 75-77. 1 https://www.laars.com/images/uploads/products/1318G-NH3.pdf For proper flushing of the heat exchanger the Laars MFTCW ...
Annual Maintenance LAARS MFTHW
Annual Maintenance of LAARS MFTHW Annual Flushing of CH Heat Exchanger as outlined in the I/O Manual Section 8 , pages 75-77. 1 https://www.laars.com/images/uploads/products/1342H-NH2.pdf In addition to flushing of the CH Heat Exchanger, as ...
MFTCW and MFTHW - Error 72
Error 72 is a SOFT LOCKOUT defined as Flame Signal Detected Before Ignition. FYI - THE NUMBERED BLUE BOXES BELOW CORRELATE TO A SPOT ON THE FLOW CHART ABOVE (1) Explanation of Error 72 - Soft Lockout Error 72 occurs when the flame detector senses ...
Manifold Repair Kits for Laars MFTCW and MFTHW-All Models and Sizes
Manifold Repair Kits for Laars MFTCW and MFTHW -All Models and Sizes Manifold # Description Gasket Kit # Gasket Kit Contains P2134400 Combi kit w/unions R2085400 2 Gaskets (for MFTCW 140/199) P2134400 Combi kit w/dielectric R2085300 2 Gaskets/2 ...
Laars Manifolds for MFTCW and MFTHW -All Models and Sizes
Laars Manifolds for MFTCW and MFTHW- All Models and Sizes. Laars Part #: Used With: System Connection Size: Indirect: P2134400 MFTCW ALL 1 1/2" N/A P2135900 MFTHW 80-140 1 1/4" 1" P2135800 MFTHW 199 1 1/2" 1 1/4" (1) #P2134400-The manifold return and ...
MFTCW and MFTHW- Error 40
Error 40 is a HARD LOCKOUT when a gas leak is detected in or around the cabinet for greater than 5 seconds OR 3 times in 10 minutes. FYI - THE NUMBERED BLUE BOXES BELOW CORRELATE TO A SPOT ON THE FLOW CHART ABOVE (1) Explanation of Error 40-Hard ...
MFTCW and MFTHW - Error 20
Error 20 is a HARD LOCKOUT when the Condensate Switch is OPEN = Fault. The Condensate Switch is a NORMALLY CLOSED switch connected via tubing from the condensate drain trap. Flow Chart FYI - THE NUMBERED BLUE BOXES BELOW CORRELATE TO A SPOT ON THE ...
MFTCW and MFTHW - Error 16
Error 16 is a HARD LOCKOUT defined as OPERATING TEMPERATURE ABOVE 203 DEGREES F. FYI - THE NUMBERED BLUE BOXES BELOW CORRELATE TO A SPOT ON THE FLOW CHART ABOVE (1) Explanation Of Error 16 - Hard Lockout Error 16 occurs when operating (boiler) ...
Laars MFTCW and MFTHW Quick Start Guide
Laars MFTCW, MFTHW "Quick Start " Guide.
MFTCW and MFTHW- Error 41 and Error 44
Error 41 and Error 44 is all about AIR ! Intake and Exhaust AIR ! Error 41 and Error 44 are both HARD LOCKOUTS ! May also be in need of a circuit board revision update ! Flow Chart Error 41 and Error 44 FYI - THE NUMBERED BLUE BOXES BELOW CORRELATE ...
Questions to ask on boiler related issues AFTER A POWER FAILURE/OUTAGE/BROWN OUT
-Did you have a power failure that you are aware of ? -Have you attempted to reset the boiler (where applicable) . -Had you turned power to the boiler off and back on (emergency switch, service switch, power button on the display, Mascot FT) after ...
MFTCW and MFTHW- Error 10 and Error 11
Flow Chart Error 10 and 11 is all about combustion ! Notes: FYI - THE NUMBERED BLUE BOXES BELOW CORRELATE TO A SPOT ON THE FLOW CHART ABOVE (1) Error 10 and 11 is All About Combustion ! Gas, Air, Spark ! Error 10= flame has "extinguished" 8 ...