13
point, and then the cycle is suspended
• Time limit set: 8 sec.
“i52” – code: WP BLDC motor –
abnormal high current detected
• Hardware supervising – will be set when
abnormal high current of about 1.3 amps are
detected.
“i53” – code: WP BLDC motor – over
current
• Error will be set when the max. allowed current
will be detected higher than the max allowed
current of 1.0 A.
“i54” – code: WP will not follow/ rotor
is locked
• Error will be set when the motor locked condition
is detected during start of motor and also during
the running motor; reasons can be dirt, too high
load, mechanical problems on impeller.
“i55” – code: DC Link overvoltage
• Error is set when the DC Link voltage on power
control board is greater than 392 V DC and will
be cleared when dropping under 390 V DC.
“i56” – code: DC Link under voltage
• Error is set when the Vbat voltage on motor
control board will be detected lower than 225 V
DC and will be cleared if voltage is greater than
260 V DC.
“i57“ – code: MCB Vbat voltage
plausibility / ADC Fault
• Error will be set if the difference between current
samples are less than 0.03363 [A] for 0.5s.
“i58“ – code: WP motor plug
connection
• Error will be set if motor connection is detected
wrong based on motor currents measurements. If
currents are inside the thresholds (+/- 21 mA); de-
bounce is set to 1.5 seconds
• This code is also possible if a phase is detached
or if a winding inside the motor is broken.
“i59“– code: WP current read ADC -
fault
• Error is set if there is detected a fault in the current
reading chain on MCB; incl. ADC conversion
• It is verified by the current sum of the three motor
phases which should be nearly zero; if the sum is
higher than 40mA for longer than 300 ms than the
assumption is that something is wrong.
“i5A“– code: Over temperature or
Overload
• Error is set if load is 0.68 A for 10 s for the wash
pump or 0.55 A for 10 s for the drain pump.
“i5B“– code: WP/DP current plausibility
• Error is set if currents are not changing within 2.5 s
with less than 0.0275 A for WP
• Error is set if currents are not changing within 0.5 s
with less than 0.03363 A for DP.
“i5C“– code: DP BLDC motor –
abnormal high current detected
• Hardware supervising – will be set when
abnormal high current of about 0.7 amps are
detected.
“i5D“– code: DP BLDC motor – high
current SW
• Error will be set when the maximum allowed
current will be detected higher than the maximum
allowed current of 0.550 A.
“i5E“– code: DP will not follow/ rotor is
locked
• Error will be set when the motor blocked condition
is detected during start of motor and also during
the running motor; reasons can be dirt, too high
load, mechanical problems on impeller.
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