Operating instructions

- Section 3: Page 24 -

E55_TM_programmingV3

EGRO 55 SERIES TECHNICAL MANUAL

3.8 ERROR LIST - CONTINUED

3.8 ERROR MESSAGES -continued

NO. DESCRIPTION SOLUTION

93 Lower piston (P2) can not reach it’s

maximum height.

a. Check lower spindle motor (M8) - use monitor menu

b. Revolution counter (S16) is faulty

94 Lower piston (P2) height has

exceeded it’s maximum height

during brewing. (Motor exceeded

100 revolutions)

a. Check lower piston spindle motor - use monitor menu

b. Revolution counter (S16) is faulty

c. Increase upper piston height (P1) by 2 in Conﬁ g 1 menu, P1 Turns parameter

97 No signal from upper piston (P1)

limit switch (S14)

a. Check the upper spindle motor (M7) - use the monitor menu

b. Revolution counter (S14) is faulty

c. Check fuse F5

98 No signal from lower piston limit

switch (S14).

a. Check the lower spindle motor (M8) - use the monitor menu

b. Revolution counter S16 is faulty

111 Short circuit on temperature sensor

for coffee boiler (NTC B1)

a. Check wiring to sensor

b. Check the J11 Pin 1/2 connection on the mainboard

121 Failure of the temperature sensor for

the coffee boiler (NTC B1)

a. Check wiring to sensor

b. Check the J11 Pin 1/2 connection on the mainboard