28 FILTER INSTALLATION AND USER GUIDE BARRIE ● ONTARIO ● CANADA 705.733.8900 WWW.EXCALIBURWATER.COM Problem Possible Cause Solution 14. E2 = Control valve motor ran too short and was unable to find the next cycle position and stalled a. Foreign material is lodged in control valve a. Open up control valve and pull out piston assembly and seal/ stack assembly for inspection. Press NEXT and REGEN buttons for 3 seconds to resynchronize software with piston position or disconnect power supply from PC Board for 5 seconds and then reconnect. b. Mechanical binding b. Check piston and seal/ stack assembly, check reduction gears, check drive bracket and main drive gear interface. Press NEXT and REGEN buttons for 3 seconds to resynchronize software with piston position or disconnect power supply from PC Board for 5 seconds and then reconnect. c. Main drive gear too tight c. Loosen main drive gear. Press NEXT and REGEN buttons for 3 seconds to resynchronize software with piston position or disconnect power supply from PC Board for 5 seconds and then reconnect. d. Improper voltage being delivered to PC Board d. Verify that proper voltage is being supplied. Press NEXT and REGEN buttons for 3 seconds to resynchronize software with piston position or disconnect power supply from PC Board for 5 seconds and then reconnect. 15. E3 = Control valve motor ran too long and was unable to find the next cycle position a. Motor failure during a regeneration a. Check motor connections then Press NEXT and REGEN buttons for 3 seconds to resynchronize software with piston position or disconnect power supply from PC Board for 5 seconds and then reconnect. b. Foreign matter built up on piston and stack assemblies creating friction and drag enough to time out motor b. Replace piston and stack assemblies. Press NEXT and REGEN buttons for 3 seconds to resynchronize software with piston position or disconnect power supply from PC Board for 5 seconds and then reconnect. c. Drive bracket not snapped in properly and out enough that reduction gears and drive gear do not interface c. Snap drive bracket in properly then Press NEXT and REGEN buttons for 3 seconds to resynchronize software with piston position or disconnect power supply from PC Board for 5 seconds and then reconnect. 16. E4 = Control valve motor ran too long and timed out trying to reach home position a. Drive bracket not snapped in properly and out enough that reduction gears and drive gear do not interface a. Snap drive bracket in properly then Press NEXT and REGEN buttons for 3 seconds to resynchronize software with piston position or disconnect power supply from PC Board for 5 seconds and then reconnect. 7.2) Possible Error Codes Possible Errors Code Description E1 Control unable to sense motor movement E2 Control Valve motor ran too short E3 Control Valve motor ran too long and unable to find next cycle E4 Control Valve ran too long and timed out If “E1”, “E2”, “E3” or “E4” appears on the display Contact Excalibur.
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