What are the default fault codes for the TPPL?

No​

Fault Event Display ​

 Parameters​

Required Actions​

1​

Communication fault​
[B/D Type],[Board positon], [Fault Description]​

[Fault Description]:​
SPI , I2C , IO CAN , Main CAN, UI CAN,  Ext  CAN, UART failure​

Replace the Module on [B/D Type].​
e.g. "Communication fault mA Input 4-1 IO CAN"​

2​

Memory fault​
[B/D Type],  [Fault Description]​

[Fault Description]:​
Internal RAM, External RAM , Code memory, EEPROM, Flash​

Replace the Module on [B/D Type]​
e.g. "Memory fault mA Input EEPROM"​

3​

Catalog memory fault​

NA​

1. Update Calalog file by SD Card​
2. Replace UI PCB​

4​

Internal hardware
fault
[B/D Type]

NA​

Replace the Module on [B/D Type]​
e.g. "Internal hardware fault mA Input"​

5​

Sensor circuit fault​
CH: xx, Code: xxx

xx: Displayed channel number​
xxx: Code​
0: Gain setting error, 1: signal conditioning circuit error​

1. Check detector has failure output(0~1mA)- Resolve detector failure​
2. Replace IO Module if detector was normal​

6​

Supplied voltage fault​
[B/D Type], Code: xxx

Code: xx​x
0: Vapp low, 1: V5 low, 2: V3.3 low, 3: V12 low, 4: V9 low​

Replace the Module by B/D Type. Note (1)​
​

7​

Internal software fault​
[B/D Type], Code: xxx​

xxx: Code​
0: BUFFER OVERFLOW, 1: instruction test failed​, 2: Sequence Checking failed

Replace the Module by B/D Type. Note (1)​
​

8​

Modbus Comm Fault​
CH: xx, Node: xx​

Reserved for MODBUS input​

NA​

9​

Sensor Fault​
CH: xx, [B/D Type], Code: xx​

xx: Displayed channel number​
yy: Code​
0 : bead open/short​
1 : line open/short​
2 : detector short​
3 : operating voltage fault​
4 :driver current fault​
 

1.Remove/replace failure of detector​

2.Check wirings are correct​

10​

mA Output Error​
CH: xx​

xx: Displayed channel number​

Replace mA output module​

11​

Relay Output Error​
CH: xx​

xx: Displayed channel number​

Replace Relay module that​

12​

Detector In Fault​
CH: xx, [B/D Type]​

xx: Displayed channel number​

Remove fault of detector are connected.​

13​

Battery Fault​
[Enclosure]​

Enclosure
0: master enclosure,
1: extension enclosure ​

Replace the battery​

14​

IO B/D Not Matched​
Slot: xx-x [Board position], Prev: xxx [B/D Type], Curr:xxx [B/DType]​

[Board position]​

[B/D Type]​

1. Check if Module loose connection ​
2. Check if IO Module type are matched to information in LCD. ​
3. Replace IO Module to corrected one or try Module and channel configurations. ​

15​

Negative Reading​
CH: xx, Conc: xxxx [Reading unit]​

xx: Displayed channel number​

1. Need gas calibration detectors or cell for the channel​
2. Replace detector or cell​
3. Need gas calibration TPPL channel​