TROUBLESHOOTING AND REPAIR INSTRUCTIONS FOR L&L KILNS
troubleshoot-general.pdf
REV: 4/15/2017
Page 22
2017
L&L Kiln Mfg, Inc. 505 Sharptown Rd, Swedesboro NJ 08085 856.294.0077 F:856.294.0070 [email protected] hotkilns.com
holder on the inside of the panel.
4) Unscrew the nut that holds the fuse holder in place.
5) Remove and replace with a new fuse holder. Reconnect
wires.
REPLACING THERMOCOUPLES
See this video:
hotkilns.com/change-thermocouple
1) Unplug kiln or turn off the kiln at the fused disconnect
switch.
2) Remove the Control Box and Element Terminal Box as
shown in the Assembly Instructions.
3) Remove the Thermocouple Lead Wires.
4) Unscrew the Thermocouple from the kiln (these are #6 x
1-1/2” screws)
5) Remove Thermocouple.
6) Remove Thermocouple Protection Tube. Shake it and
dump out the oxide powder that has accumulated inside the
tube. Then reinsert the tube into the hole in the kiln.
7) Install a new Thermocouple and screw in place.
8) Replace Thermocouple Lead Wires and tighten. Be sure
to get Red matched to the Minus (-) sign and the Yellow
matched to the Plus (+) sign.
Picture showing end of thermocouple.
CHECKING ELEMENT OHMS
See this video:
hotkilns.com/test-resistance-ez
See the instructions in the TROUBLESHOOTING Section of
your instruction Manual (ELEMENT TROUBLESHOOTING
& INSTALLATION INSTRUCTIONS)or here:
hotkilns.com/
element-troubleshooting
Element Ohm Charts
Check your wiring diagram for resistence values for
your kiln. (Note - only some popular models are listed
here. )
Easy-Fire Element Ohm Chart
VOLTS/
ELEMENT CIRCUIT
MODEL
PHASE OHMS OHMS
e18S-240 240/1 9.6 4.8
e18S-208 208/1 8.3 4.2
e18S-220
220/1 (non-US) 8.8
4.4
e18T-240 240/1 9.9 5.0
e18T-208 208/1 7.4 3.7
e18T-220
220/1 (non-US) 8.3
4.2
e18T-240-3P 240/3
9.9
5.0
e18T-208-3P 208/3
7.4
3.7
e18T-380-3P
380/3 (non-US) 8.3
4.2
e23S-240 240/1 23.5 11.8
e23S-208 208/1 20.0 10.0
e23S-220
220/1 (non-US) 21.5
10.8
e23T-240 240/1 28.9 14.5
e23T-208 208/1 25.0 12.5
e23T-220
220/1 (non-US) 26.5
13.3
e23T-240-3P 240/3
28.9 14.5
e23T-208-3P 208/3
22.7 11.4
e23T-380-3P
380/3 (non-US) 24.5
12.3
e28S-240 240/1 19.3 9.7
e28S-208 208/1 16.7 8.4
e28S-220
220/1 (non-US) 17.2
8.6
e28T-240 240/1 28.9 14.5
e28T-208 208/1 25.0 12.5
e28T-220
220/1 (non-US) 26.5
13.3
e28T-240-3P 240/3
20.0 10.0
e28T-208-3P 208/3
17.4 8.7
e28T-380-3P
380/3 (non-US) 15.1
7.6