GE Kelman DGA900, Operator'S Manual

Page: 58 / 92

MA-025 – DGA 900 Operator Guide – Rev 2.0 12-Apr-19 Page 58 of 92
6.15.1 Error Codes
Table 6-4 lists the PGA error codes. All the service alarm error codes are accompanied by
illumination of the blue Service light that is visible on the front door of the product.
Note: Error codes are offset by 1 from the Modbus register bit numbers.
Note: This information relates to PGA firmware version 18.1.5 for DGA 900.
Table 6-4: PGA Errors
Code Error Note
PGA Connection Error
Timeout
01 PGA power supply voltage too low
02 PGA chopper frequency outside range
03 PGA IR-source outside range
04 Gas flow lower than limit
05 Background noise/vibration too high
06 Microphone test failed
07 Not level sensor 1 pulses (level)
08 Not level sensor 3 (drain)
09 Fill level shows Oil
10 Over Fill shows Oil
11 PGA Air temperature outside limits
12 Bad communication with control PCB
13 Gas leak test: Pump pressure too low
14 Gas leak test: Pressure decay too high
15 Unusual ambient gas measurements
16 Oil temperature too low
17 Oil temperature too high
18 Oil pressure too low Check that all oil supply valves are open.
19 Oil pressure too high Check that all oil return valves are open.
20 Oil pump tacho count too high
21 Oil pump pressure too low
22 Oil pump speed out of range
23 Manual oil sampling switch
24 Oil pump tacho count too low
25 Oil pump not turning
26 - Not used.
27 Temperature Sensor(s) 1 disconnected
28 Temperature Sensor(s) 2 disconnected
29 Drain level shows oil
30 Conditioned oil temp. outside limits