QUV Operation Error Messages
|
Number |
Message |
Conditions & Suggested Actions |
|
M1 |
Door Open |
The door is open |
|
M2 |
Cover Not Properly Closed |
The cover is not properly closed |
|
M10 |
Test Ended |
The test is completed (QUV continues running with this message) |
|
M11 |
Test Ended |
The test is completed (QUV continues running with this message and an alarm) |
|
M12 |
Test Ended and Shutdown |
The test is completed (QUV stops running without an alarm) |
|
M13 |
Test Ended and Shutdown |
The test is completed (QUV stops running with an alarm) |
|
M20 |
Black Panel Temperature Too High XX°C |
Light Cycle: |
|
M21 |
Black Panel Temperature Too Low XX°C |
Light Cycle: Air heater relay normally open Air heater failure Bottom fan relay normally open Bottom fan failure Excessively low laboratory temperature Condensation Cycle: Sample rack missing (not installed) Bottom fan relay normally open Water heater relay normally open Water heater failure Excessively low laboratory temperature |
|
M22 |
Light Temperature Fault XX°C |
Step time is too short |
|
M23 |
Condensation Temperature Fault XX°C |
The step time is too short |
|
M24 |
Black panel temperature deviation XX°C |
Light Cycle: Air heater relay stuck Condensation Cycle: Water heater relay stuck |
|
M25 |
Laboratory Temperature Alarm XX°C |
The room temperature may cause the chamber temperature failure |
|
M26 |
UV + COND Temperature Fault XXX°C |
An error is reported when the UV + COND step ends and the temperature fails to reach the set value ±2°C |
|
M27 |
DARK Temperature Fault XXX°C |
An error is reported when the DARK step ends and the temperature fails to reach the set value ±2°C |
|
M30 |
Battery Replacement |
Battery Replacement |
|
M33 |
Water pan temperature too high XX°C - Possible empty water pan |
Water supply closed |
|
M34 |
Motherboard temperature too high XX°C |
Room temperature too high |
|
M43 |
Water spray closed: Should be opened |
Water supply closed Nozzle blockage Pressure regulating valve failure Solenoid valve normally closed Spray relay normally open Flow switch normally open |
|
M44 |
Water spray open: Should be closed |
Solenoid valve normally open |
|
M49 |
Power Interruption |
This message indicates that the power supply was disconnected and then restored during the device's operation |
|
M50 |
High UV Irradiance |
Rectifier Failure |
|
M51 |
Low UV Irradiance |
Rubber lamp holder falling off or loose Lamp tube burnout |
|
M52 |
Rectifier or rectifier relay failure |
Rectifier failure |
|
M53 |
Rectifier relay adhesion |
Rectifier relay adhesion |
|
M54 |
Operation relay adhesion |
Operation relay adhesion |
|
M55 |
Relay check is in progress |
The main board is detecting the relay |
|
M60 |
Lamp Failure - Rectifier 1 |
Rubber lamp holder detachment or looseness Lamp tube burnout Rectifier failure |
|
M61 |
Lamp tube failure, ballast 2 |
Rubber lamp holder falling off or loosening Tube burnout Rectifier failure |
|
M62 |
Tube failure, rectifier, 3 |
The rubber lamp holder is detached or loose The fluorescent tube is burnt out The rectifier is faulty |
|
M63 |
Tube failure, rectifier, 4 |
The rubber lamp holder is detached or loose The tube is burnt out The rectifier is faulty |
|
M66 |
Calibrate the UV sensor |
It's time to calibrate the UV sensor |
|
M69 |
When the tube is turned on, it should be turned off |
The rectifier relay is stuck |
|
M70 |
The heater is on - it should be off |
The operating relay and the heating relay are stuck |
|
M80 |
Flash failure |
Restart the machine. If the failure recurs, please contact Luozhong Technology |
|
M81 |
Flash data corruption |
Restart the machine. If the failure recurs, please contact Luozhong Technology |
|
M82 |
RAM damage, RAM reloading |
It indicates a problem with the motherboard. First press the clear key and then the enter key |
|
M92 |
Blackboard temperature sensor failure |
Blackboard temperature sensor failure |
|
M93 |
Water temperature sensor failure |
Water temperature sensor failure |
|
M94 |
The laboratory temperature sensor is faulty. |
The temperature sensor in the laboratory has failed |
|
M101 |
The SD card is lost |
QUV automatically restarts to avoid potential problems during operation |
|
M104 |
The software has been installed successfully. |
The software has been installed successfully |
|
M900 |
|
Communication between the motherboard and the status screen is interrupted. The device will enter single-screen mode |
|
M901 |
Communication failure of the main menu screen. |
Communication between the motherboard and the main menu screen is interrupted. The device will enter single-screen mode |
|
M902 |
Motherboard communication failure |
This message will be displayed on the screens that have reported errors M900 or M901 |
The above information is described with detailed procedures and guidance in the random product manual. For the product manual and other assistance, please contact us!
