Repair and troubleshooting procedures

Base Unit
BU10 - Emtpying the water reservoir of the sample filter
BU11 - Checking the modem and the SIM card
BU12a - Replacing the DC power supply (new model with DCDC board)
BU12b - Replacing the DC power supply (old model with 2 power supplies)
BU13 - Adjusting the voltages in the Base Unit
BU14 - Replacing the inverter board of the AC
BU15a - Replacing the sample fan (2D and 4D airpointer)
BU15b - Replacing the sample fan (HC airpointer)
BU16 - Checking communication between PC and modules
BU17 - Improving the quality of the DC voltages in old airpointers

BTEX module
BTEX4 - Replacing the pumps
BTEX5 - Replacing the MEMS

CO module (API bench)
CO A1 - Checking the IR source
CO A4 – Replacing the wheel and the motor

CO module (Thermo bench)
CO T1 - Checking the IR source
CO T4 – Replacing the wheel and the motor
CO T5 - Checking the GFC wheel
CO T6 - Replacing the detector

H2S module (Thermo bench)
H2S T2 - Replacing the molybdenum converter

H2S module (API bench)
H2S A2 - Replacing the molybdenum converter

NOx module (API bench)
NOx A1 - Replacing the molybdenum converter
NOx A6 - Replacing the valves kit
NOx A7 – Replacing the PMT
NOx A8 - Replacing the Peltier cooler of the PMT housing
NOx A9 – Replacing the ozone generator
NOx A10 – Checking for light leaks

NOx module (Thermo bench)
NOx T1 - Replacing the molybdenum converter
NOx T3 - Replacing the o-rings & capillaries

O3 module (API bench)
O3 A2 - Replacing the UV lamp
O3 A3 - Cleaning the absorption cell
O3 A4 - Checking the capillary
O3 A5 - Replacing the UV lamp of the Ozone generator

O3 module (Thermo bench)
O3 T2 - Replacing the UV lamp
O3 T3 - Cleaning the absorption cell
O3 T4 - Checking the capillary
O3 T5 - Replacing the UV lamp of the Ozone generator

SO2 module (API bench)
SO2 A1 - Replacing and adjusting the UV lamp
SO2 A2 - Checking the capillary
SO2 A3 - Checking the UV filter
SO2 A4 – Checking for light leaks
SO2 A6 – Checking the lamp and the UVPS Voltages
SO2 A7 – Replacing the reference detector
SO2 A8 - Cleaning the PMT filter
SO2 A9 – Replacing the Peltier cooler
SO2 A10 - Cleaning the reaction cell

SO2 module (Thermo bench)
SO2 T1 - Checking the flasher UV lamp
SO2 T2 - Checking the capillary
SO2 T3 – Replacing the lamp socket
SO2 T4 – Checking for light leaks
SO2 T7 – Replacing the reference detector

PM modules
PM3 - Cleaning the multiPM sensor chamber
PM4 - BAM1020 Pump Maintenance
PM5 - Unmounting the Grimm EDM180
PM6 - Cleaning the dryer of the Grimm EDM180

PC
PC1 - Checking that the PC is booting or running
PC2 - Checking the BIOS settings
PC3 - removing the PC from the airpointer
PC4 - Replacing a hard drive
PC5 - Replacing the COM board
PC6 - Replacing the Wafer board
PC7 - Upgrade to Debian