Maytag Commercial MYR20, Руководство по обслуживанию

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6-4
17
T-17 sub
error code EXCEPTION DESCRIPTION
Action
1 Micro Fault: Data Ram corruption of byte safety variable System Reset
2 Micro Fault: Data Ram corruption of short safety variable System Reset
3 Micro Fault: Data Ram corruption of long safety variable System Reset
4 Micro Fault: Data Ram corruption of float safety variable System Reset
5 Software main Flow corrupted System Reset
6 Software Interrupt Flow corrupted System Reset
7 Software Initialization Task Flow corrupted System Reset
8 Safety GPIO (General Purpose Input/Output) configuration corrupted System Reset
9 Safety GPIO Data corrupted System Reset
10 Safety GPIO check is out of range System Reset
11 Vortex main slot time violation No Action
12 1. Door is locked and Lid status is unlocked for 3 sec
2. Door is waiting for unlock for more than 90 sec and safety conditions are
not met (speed > 0 or water level > safety limit)
Stop filling, Open Drain, Stop Motor
and then wait for 2 min and open
the Door
13 If water pressure come out of range (0-31 valid range) for 10 consecutive
reading (250 msec)
Stop filling, Open Drain, Stop Motor
and then wait for 2 min and open
the Door
14 Not used right now No Action
15 Boot or runtime Flash CRC (Cyclic Redundancy Check) mismatch i.e flash
corruption
System Reset
16 Boot or runtime RAM corruption System Reset
17 Boot or runtime CPU register going bad System Reset
18 Runtime Stack overflow error System Reset
19 Runtime stack underflow error System Reset
20 Not used right now System Reset
21 Main Clock and Reference RTC clock ticks are out for range for 4
consecutive readings
System Reset
22 If Main clock counter reaches MAX Count of 65535 and still its is not
validated with ref clock
System Reset
23 1. RS485 communication break for 500 msec while setting M Const.
2. Modbus read register fail for 3 times
3. Motor speed from drive > MAX speed (301 Hz)
4. Drive speed is > 50 rpm and Sensor Speed is zero for 10 sec approx
(speed sensor open/short)
Stop filling, Open Drain, Stop Motor
and then wait for 2 min and open
the Door
24 Analog Mux Channels (0,7,17,14) Initialize fail Stop filling, Open Drain, Stop Motor
and then wait for 2 min and open
the Door
25 Analog Mux channels (0,7,17,14) adc value is out of range Stop filling, Open Drain, Stop Motor
and then wait for 2 min and open
the Door
26 SR sensor (ADC (Analog to Digital Converter)) - pressure sensor, temp
sensor etc Analog to Digital init fail
Stop filling, Open Drain, Stop Motor
and then wait for 2 min and open
the Door
27 SR sensor (ADC) - pressure sensor, temp sensor etc Analog to Digital init fail No Action
28 SR sensor (ADC) - pressure sensor, temp sensor etc data got corrupted Stop filling, Open Drain, Stop Motor
and then wait for 2 min and open
the Door
29 SR sensor (ADC) - pressure sensor ADC count out of range - FMEA
Open/short
Stop filling, Open Drain, Stop Motor
and then wait for 2 min and open
the Door
30 Pressure sensor FMEA (Failure mode Effect Analysis) floating pin check pass. Stop filling, Open Drain, Stop Motor
and then wait for 2 min and open
the Door
31 The reference/Test freq signal (1 Khz) to check the plausibility of Speed
sensor reading failed
Stop filling, Open Drain, Stop Motor
and then wait for 2 min and open
the Door