1. Constant temperature and humidity machine>High temperature
Z1xTextile Testing Instruments, Testing Equipment Manufacturer
1. Temperature ProtectionZ1xTextile Testing Instruments, Testing Equipment Manufacturer
a. Over-temperature Occurrence: It recovers automatically (usually based on the scale). Z1xTextile Testing Instruments, Testing Equipment Manufacturer
Z1xTextile Testing Instruments, Testing Equipment Manufacturer
b. Electrical error: unable to switch on / OFF must be replaced. Z1xTextile Testing Instruments, Testing Equipment Manufacturer
2. Temperature SSR1Z1xTextile Testing Instruments, Testing Equipment Manufacturer
a. Unstable: Can the D-point output voltage be less than 220 ±Measure 10%. Z1xTextile Testing Instruments, Testing Equipment Manufacturer
Z1xTextile Testing Instruments, Testing Equipment Manufacturer
b. Open circuit: no AC output Or the IN connector is open, change it. Z1xTextile Testing Instruments, Testing Equipment Manufacturer
Z1xTextile Testing Instruments, Testing Equipment Manufacturer
C, short circuit: always line can not If the Control or IN connector is open, change it. Z1xTextile Testing Instruments, Testing Equipment Manufacturer
3. Temperature controlsZ1xTextile Testing Instruments, Testing Equipment Manufacturer
a. Offset error: first tune the PID yourself, then adjust the deviation value after stabilization,Z1xTextile Testing Instruments, Testing Equipment Manufacturer
Z1xTextile Testing Instruments, Testing Equipment Manufacturer
Make it consistent with actual correct temperature. Z1xTextile Testing Instruments, Testing Equipment Manufacturer
Z1xTextile Testing Instruments, Testing Equipment Manufacturer
b. Electrical error: Temperature controller Because there is no output at the output terminal or no output.Z1xTextile Testing Instruments, Testing Equipment Manufacturer
Z1xTextile Testing Instruments, Testing Equipment Manufacturer
Off ON/OFF PID-Regulation. Z1xTextile Testing Instruments, Testing Equipment Manufacturer
Z1xTextile Testing Instruments, Testing Equipment Manufacturer
c, Internal code setting error: Please set restores the internal code value according to the internal code table. Z1xTextile Testing Instruments, Testing Equipment Manufacturer
4. Temperature SensorZ1xTextile Testing Instruments, Testing Equipment Manufacturer
a. Offset Error : The offset value can be adjusted by PID auto tuning. Z1xTextile Testing Instruments, Testing Equipment Manufacturer
Z1xTextile Testing Instruments, Testing Equipment Manufacturer
b. Electrical fault: no resistance value Or OFF or short circuit, change (model PT100)Z1xTextile Testing Instruments, Testing Equipment Manufacturer
5, high-resolution circuit breakerZ1xTextile Testing Instruments, Testing Equipment Manufacturer
There is no AC output for the fault and all circuits controlled by it cannot work in this case.Z1xTextile Testing Instruments, Testing Equipment Manufacturer
Z1xTextile Testing Instruments, Testing Equipment Manufacturer
Z1xTextile Testing Instruments, Testing Equipment Manufacturer
Z1xTextile Testing Instruments, Testing Equipment Manufacturer
2. Constant temperature and humidity machine> cascade cooling system errors and troubleshooting methodsZ1xTextile Testing Instruments, Testing Equipment Manufacturer
Z1xTextile Testing Instruments, Testing Equipment Manufacturer
Z1xTextile Testing Instruments, Testing Equipment Manufacturer
(1) When the cascade cooling system is used to start the operation Z1xTextile Testing Instruments, Testing Equipment Manufacturer
(2) Blockage of the cooling systemZ1xTextile Testing Instruments, Testing Equipment Manufacturer
1. High temperature system clogging: Clean or replace the clogged components andZ1xTextile Testing Instruments, Testing Equipment Manufacturer
1. The high-temperature compressor does not start:Z1xTextile Testing Instruments, Testing Equipment Manufacturer
Our company's maintenance personnel are responsible for the capillary tube. Z1xTextile Testing Instruments, Testing Equipment Manufacturer
(1) The voltage is too low; the power supply is blocked; the wire head falls off. CheckZ1xTextile Testing Instruments, Testing Equipment Manufacturer
2. Low temperature system blockage: Clean or replace the clogged components andZ1xTextile Testing Instruments, Testing Equipment Manufacturer
Power supply and wiring connector. Handled by unit leaders. Z1xTextile Testing Instruments, Testing Equipment Manufacturer
Our company's maintenance staff is responsible for handling the capillary.Z1xTextile Testing Instruments, Testing Equipment Manufacturer
(2) The compressor switch is in the OFF position; the controller setpoint is too lowZ1xTextile Testing Instruments, Testing Equipment Manufacturer
(3) Leak in the cooling systemZ1xTextile Testing Instruments, Testing Equipment Manufacturer
High. Check the switches and settingslpoints, and the user unit administration staff is responsibleZ1xTextile Testing Instruments, Testing Equipment Manufacturer
1. High temperature system leakage:Z1xTextile Testing Instruments, Testing Equipment Manufacturer
Processing. Z1xTextile Testing Instruments, Testing Equipment Manufacturer
The high-temperature compressor runs but does not cool, the low-temperature compressor does notZ1xTextile Testing Instruments, Testing Equipment Manufacturer
(3) The compressor start relay is not working. Check the compressor. Z1xTextile Testing Instruments, Testing Equipment Manufacturer
StartupZ1xTextile Testing Instruments, Testing Equipment Manufacturer
The company's maintenance staff is responsible for Handling. Z1xTextile Testing Instruments, Testing Equipment Manufacturer
Judgement method: Check the temperature of the high-temperature stage suction pipe and run it for 10 minutesZ1xTextile Testing Instruments, Testing Equipment Manufacturer
(4) Compressor failure, replacement. The company's maintenance staff is responsibleZ1xTextile Testing Instruments, Testing Equipment Manufacturer
Ifthe temperature still falls below 0°C, the leakage can be assessed provisionally. Pressure test, check treatment. Z1xTextile Testing Instruments, Testing Equipment Manufacturer
Leak. The maintenance staff of the company is responsible for the handling. Z1xTextile Testing Instruments, Testing Equipment Manufacturer
2. The high-temperature stage compressor is running. Low temperature stage compressor does not startZ1xTextile Testing Instruments, Testing Equipment Manufacturer
2. Low-temperature stage system leakage:Z1xTextile Testing Instruments, Testing Equipment Manufacturer
(1) The high-temperature stage refrigeration system is broken because the refrigerant is low, etc., checkZ1xTextile Testing Instruments, Testing Equipment Manufacturer
The high-temperature stage compressor runs, the low-temperature stage compressor runs continuously, butZ1xTextile Testing Instruments, Testing Equipment Manufacturer
Check whether the cooling temperature meets the requirements. It is the responsibility of the company's maintenance personnel to ensureZ1xTextile Testing Instruments, Testing Equipment Manufacturer
no cooling. DThe judging procedure is the same as above. Pressure test, leak test. Our companyZ1xTextile Testing Instruments, Testing Equipment Manufacturer
will take care of it. Z1xTextile Testing Instruments, Testing Equipment Manufacturer
Maintenance personnel are responsible for handling. Z1xTextile Testing Instruments, Testing Equipment Manufacturer
(2) Faulty low temperature relay and controller. Check relayZ1xTextile Testing Instruments, Testing Equipment Manufacturer
Z1xTextile Testing Instruments, Testing Equipment Manufacturer
and replace controller, defective . The maintenance staff of the company is responsible for the handling. Z1xTextile Testing Instruments, Testing Equipment Manufacturer
Z1xTextile Testing Instruments, Testing Equipment Manufacturer
(3) compressor start relay or capacitor failure, substitute. Z1xTextile Testing Instruments, Testing Equipment Manufacturer
Z1xTextile Testing Instruments, Testing Equipment Manufacturer
The company's maintenance staff is responsible for handling responsible . Z1xTextile Testing Instruments, Testing Equipment Manufacturer
Z1xTextile Testing Instruments, Testing Equipment Manufacturer
(4) Compressor failure, replacement . Our maintenance staff ist responsible for theZ1xTextile Testing Instruments, Testing Equipment Manufacturer
Z1xTextile Testing Instruments, Testing Equipment Manufacturer
handling. Z1xTextile Testing Instruments, Testing Equipment Manufacturer