Yaskawa AC Drive Z1000 - Manual (Page 228)

HOA Keypad Display Error Name
oPE27
BP Program Error
Bypass mode is not correctly configured.
Cause Possible Solutions
If digital inputs A4, A5, or A7 or digital outputs
A4 or A5 are programmed, then all must be
programmed
Correct the parameter settings.
Digital inputs A4, A5, or A7 and digital outputs A4
or A5 are programmed and one of the following
conditions is true:
• H1-0o = 0 (3-Wire Sequence)
• L5-01 > 0 and S4-01 = 1 (Auto Transfer of Fault)
• H1-oo≤ A6 and H2-oo = A6
• H1-oo = A6 and H2-oo≤ A6
HOA Keypad Display Error Name
oPE28
Sequence Timer Error
One or more of the sequence timers is not set in the correct order.
Cause Possible Solutions
One of the following contradictory settings is true:
• S2-01 > S2-02
• S2-06 > S2-07
• S2-11 > S2-12
• S2-16 > S2-17
Correct the parameter settings.
5.6 Programming Errors
228 YASKAWA ELECTRIC TOEP C710616 45E YASKAWA AC Drive – Z1000 User Manual