Motion Control Engineering Motion 3000ES

Fault Conditions
51
E-10
Motor overheat fault. P10
input on J2 of EC-MCB.
Check input device to P10 terminal.
E-11
Upper left missing skirt fault.
P11 input on J3 of EC-MCB.
Check input device to P11 terminal.
E-12
Upper right missing skirt
fault. P12 input on J3 of EC-
MCB.
Check input device to P12 terminal.
E-13
Upper left comb-step impact
fault. P13 input on J3 of EC-
MCB.
Check input device to P13 terminal.
E-14
Upper right comb-step impact
fault. P14 input on J3 of EC-
MCB.
Check input device to P14 terminal.
E-15
Upper left handrail entry
fault. P15 input on J3 of EC-
MCB.
Check input device to P15 terminal.
E-16
Upper right handrail entry
fault. P16 input on J3 of EC-
MCB.
Check input device to P16 terminal.
E-17
Upper step sag fault. P17
input on J3 of EC-MCB.
Check input device to P17 terminal.
E-18
Upper step upthrust fault.
P18 input on J3 of EC-MCB.
Check input device to P18 terminal.
E-19
Drive chain broken fault. P19
input on J4 of EC-MCB.
Check input device to P19 terminal.
E-20
Missing step fault. S2 and S3
input on J1 of EC-MCB or S6
and S7 input on J1 of EC-
SCB.
Check input device to S2 and S3 terminals.
E-21
Smoke detector fault. P21
input on J4 of EC-MCB.
Check input device to P21 terminal.
E-24
Run direction input fault. P3
and P4 inputs on J2 of EC-
MCB.
Check mechanics of both upper and lower escalator starting switches.
Check for proper operation of Up and Down inputs to P3 and P4 termi-
nals.
E-25
Run direction input fault at
power up. P3 and P4 inputs
on J2 of EC-MCB.
Check mechanics of both upper and lower escalator starting switches.
Check for proper operation of Up and Down inputs to P3 and P4 termi-
nals.
E-27
Lower left missing skirt fault.
P27 input on J2 of EC-SCB.
Check input device to P27 terminal.
E-28
Lower right missing skirt
fault. P28 input on J2 of EC-
SCB.
Check input device to P28 terminal.
E-29
Lower left comb-step impact
fault. P29 input on J2 of EC-
SCB.
Check input device to P29 terminal.
E-30
Lower right comb-step impact
fault. P30 input on J2 of EC-
SCB.
Check input device to P30 terminal.
E-31
Lower left handrail entry
fault. P31 input on J2 of EC-
SCB.
Check input device to P31 terminal.
E-32
Lower right handrail entry
fault. P32 input on J2 of EC-
SCB.
Check input device to P32 terminal.
E-33
Lower step sag fault. P33
input on J2 of EC-SCB.
Check input device to P33 terminal.
Table 18. Controller Fault Displays
Fault Description Troubleshooting