MA-003 – MULTITRANS User Guide – Rev 3.0 18-Jan-16 Page 20 of 30
6.2.1 Error codes
The LCD panel error codes are listed in Table 6—1. 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 firmware version PGA 3.0.81 for MULTITRANS.
Table 6—1: Errors
PGA power supply voltage too low
PGA chopper frequency outside range
PGA IR-source outside range
Gas flow lower than limit
Background noise/vibration too high
Not level sensor 1 pulses (level)
Not level sensor 3 (drain)
PGA Air temperature outside limits
Bad communication with control PCB
Gas leak test: Pump pressure too low
Gas leak test: Pressure decay too high
Unusual ambient gas measurements
Check that all oil supply valves are open.
Check that all oil return valves are open.
Oil pump tacho count too high
Oil pump pressure too low
Oil pump speed out of range
Manual oil sampling switch
Oil pump tacho count too low
Temperature Sensor(s) 1 disconnected
Temperature Sensor(s) 2 disconnected
Conditioned oil temperature outside limits
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