MAINTENANCE

You have reached the Sigma Café maintenance page, the information below is specifically for the maintenance of the Sigma Café. 

Sigma FAQs

14 Simply means a circuit error. The number following is the actual error. In this case '7' means Faulty Valve 2. 

Refer to Triac circuit information

Reason: 

Faulty Valve 2 

 

Solution:

Replace Valve and re-calibrate 6fl oz or 170 grams

Test:

Test valve 2 in flush mode

Solution:

Reload CONFIG file

  • Service Mode
  • Machine Settings
  • Load/Read/Config
  • Load into machine
  • or Read from machine

Refer to Service menu image

Test:

Test All Drink Selections

14 Simply means a circuit error. The number following is the actual error. In this case '20' means Whipper Station 1 issue. 

Refer to Triac circuit information

Reason: 

Whipper Station 1 Issue

Possible Cause/Solution: 

Cause 1 : 

Whipper Seals leaking

Solution 1 :

Check all seals - replace whipper seals if needed 

Cause 2 : 

Fuse F11 

Solution 2 :

Check Fuse F11 - replace if needed (Part #)

Cause 3 : 

Whipper Motor Issue

Solution 3 :

Check Check Whipper Motor - replace if needed 

Preliminary Check: 

Check that 'Carousel Time out' is set to 30 seconds. 

  • Machine settings
  • Cup settings
  • Carousel timeout/30 seconds

Possible Cause/Solution: 

Cause 1 : 

Cups are jammed/loaded incorrectly/damaged

Solution 1 : 

Reload cups - Refer to HOW TO LOAD THE CUP UNIT

Cause 2 : 

Fuse F9 Issue

Solution 2 : 

Check F9 T2.0 Amp fuse and replace if needed 

  • Power off machine
  • Remove all cups
  • Check F9 Fuse
  • Power on machine

Cause 3 : 

Cup Carousel Motor Issue

Solution 3 : 

Does Cup carousel turn under load?

Yes - HOW TO LOAD THE CUP UNIT

No - Replace cup carousel Motor 

Test : 

Possible Cause/Solution: 

Cause 1 : 

Cups are jammed/loaded incorrectly/damaged

Solution 1 : 

Reload cups - Refer to HOW TO LOAD THE CUP UNIT

Cause 2 : 

Fuse F9 Issue

Solution 2 : 

Check F9 T2.0 Amp fuse and replace if needed 

  • Power off machine
  • Remove all cups
  • Check F9 Fuse
  • Power on machine

Cause 3 : 

Operation of Cup Scrolls

Solution 3 : 

Reload a few cups - NOT into one position

Test :