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Thetford C402C Service Manual
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Check if the fuse is
ok
Yes
Remove the handle
and control panel to
check if the cables
are well connected
Yes
Do you hear the
pump running
Yes
Check if the control
panel works
perfectly
Check if the flush
tube is well
connected
6.200
No flush C402C
Before starting, check if the toilet is well connected
see the 12V connection scheme
Repair instructions you can find in the repair
instructions chapter and/or on our website
No
No
No
No
No
www.thetford.eu
1/4
Replace the fuse
(part 21766)
Connect the cables
correctly
Replace the pump
(part 16374)
Replace the control
panel
(part 32320-62)
Connect the flush
tube correctly
05/09

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Summary of Contents for Thetford C402C

  • Page 1 No flush C402C Before starting, check if the toilet is well connected see the 12V connection scheme Check if the fuse is Replace the fuse (part 21766) Remove the handle Connect the cables and control panel to correctly check if the cables...
  • Page 2 Part number/Description Part number 32316-62 SC402C HT REED SWITCH 32320-62 for WHITE (for model C402C) model C402C 32317-62 SC402X HT REED SWITCH 32322-62 for WHITE (for model C402X) model C402X 32317-62 SC402X HT REED SWITCH...
  • Page 3 Check if the blade Replace the mechanism is ok mechanism (left version part 32332-06 right version part 32331-06) Contact Thetford customer service Leakage at the Water tank Check if the drain Replace the drain tubes leaks tube (part 51804-74) Contact Thetford customer service 6.200...
  • Page 4 Leakage at the vent lid Open the vent lid to Replace the vent check if the vent actuator actuator is still well placed Contact Thetford Check if there is customer service liquid under the vent Replace the automatic vent (part 32305) 6.200...
  • Page 5 Check if the control Replace the control panel works panel perfectly (part 32322-62) Check if the flush Connect the flush tube is well tube correctly connected Repair instructions you can find in the repair instructions chapter and/or on our website www.thetford.eu 6.201 05/09...
  • Page 6 Part number/Description Part number 32316-62 SC402C HT REED SWITCH 32320-62 for WHITE (for model C402C) model C402C 32317-62 SC402X HT REED SWITCH 32322-62 for WHITE (for model C402X) model C402X 32317-62 SC402X HT REED SWITCH...
  • Page 7 No level indication of the C402X Water tank Remove the handle Connect the cables and control panel to correctly check if the cables are well connected Check if the LED Replace the Reed functions by putting switch of the water a magnet in front of tank the reed switch...
  • Page 8 Check if the blade Replace the mechanism is ok mechanism (left version part 32332-06 right version part 32331-06) Contact Thetford customer service Leakage at the Water tank Check if the drain Replace the drain tubes leaks tube (part 51804-74) Contact Thetford customer service 6.201...
  • Page 9 Leakage at the vent lid Open the vent lid to Replace the vent check if the vent actuator actuator is still well placed Contact Thetford Check if there is customer service liquid under the vent Replace the automatic vent (part 32305) 6.201...
  • Page 10 Do you hear the Replace the electric vehicle pump valve (part 23709) running Check if the flush Connect the flush tube is well tube correctly connected Repair instructions you can find in the repair instructions chapter and/or on our website www.thetford.eu 6.202 05/09...
  • Page 11 Part number/Description Part number 32316-62 SC402C HT REED SWITCH 32320-62 for WHITE (for model C402C) model C402C 32317-62 SC402X HT REED SWITCH 32322-62 for WHITE (for model C402X) model C402X 32317-62 SC402X HT REED SWITCH...
  • Page 12 Check if the Lipseal Replace the Lipseal is ok (part 23721) Check if the blade Replace the mechanism is ok mechanism (left version part 32332-06 right version part 32331-06) Contact Thetford customer service 6.202 05/09...
  • Page 13 Leakage at the vent lid Open the vent lid to Replace the vent check if the vent actuator actuator is still well placed Contact Thetford Check if there is customer service liquid under the vent Replace the automatic vent (part 32305) 6.202...

This manual is also suitable for:

C400C402xC403l