Automatic transfer switch_常见问答1_Changshu switch manufacturing Co., Ltd

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Q

CAP3D Series Automatic Transfer Switches

2023-04-10 17:08:41

A

Failure phenomena	Possible causes	Exclusion methods
No display from the controller	Incorrect main circuit wiring or no power to the main circuit	Check the main circuit, paying particular attention to the correct N wire
	Unreliable plugging of the cable connecting the controller to the body	Plugging in of the cable connecting the controller to the body
	三Pole product not connected to N wire	Access to common/standby N lines
Switch does not change over	Product is in manual mode	630 housing body manual/automatic toggle switch to "electrical" position
		630 shell holder product with operating handle removed from drawer base operating hole
		1600, 4000 shell rack products to confirm cabinet doors are closed
	Wrong working mode	Check the operating mode of the controller display and set it as required;
	Long delay time	Check the delay time set by the controller and set it as required
	Fault exists	Troubleshooting according to controller prompts, or querying fault logs or alarm logs
No access to parameter settings	Forgotten password	Enter super password 3727
Unable to communicate	Broken, shorted or incorrectly polarised communication lines	Checking the communication lines
No parameter modification or remote control from the host computer	Controller in local mode	Setting the controller to remote mode
No communication related menu	Unplugged or poorly plugged communication module	Reinsert the communication module and make sure it is securely inserted

Q

CAP3-630b~4000 Series Automatic Transfer Switches

2023-04-10 17:07:45

A

Failure phenomena	Possible causes	Exclusion methods
No display from the controller	Incorrect main circuit wiring or no power to the main circuit	Check the main circuit, paying particular attention to the correct N wire
No display from the controller	unreliable plugging of the connection cable to the controller	Connect the cable plug to the controller tightly
Switch does not change over	Wrong working mode	Check the operating mode of the controller display and set it as required；
	Long delay time	Check the delay time set by the controller and set it as required
	Fault exists	Troubleshooting according to controller prompts, or querying fault logs or alarm logs
No access to parameter settings	Forgotten password	Enter super password 3727
Unable to communicate	Broken, shorted or incorrectly polarised communication lines	Checking the communication lines
No parameter modification or remote control from the host computer	Controller in local mode	Setting the controller to remote mode
No communication related menu	Unplugged or poorly plugged communication module	Reinsert the communication module and make sure it is securely inserted

Q

CAP3-16~630 Series Automatic Transfer Switches

2023-04-10 17:06:30

A

Failure phenomena	Possible causes	Exclusion methods
The display controller does not show anything	Incorrect main circuit wiring or no power to the main circuit	Check the main circuit, paying particular attention to the correct N wire
	Unreliable plugging of the cable connecting the iH controller to the body	Plugging in of the cable connecting the controller to the body
	Three-pole product not connected to N wire	Access to common/standby N lines
Switch does not change over	Product is in manual mode	Product body manual/automatic toggle switch to "electrical" position
	Product is in manual mode	Remove the operating handle from the drawer base (for pull-out, bypass type products)
	Wrong working mode	Check the operating mode on the display controller and set it as required
	Long delay time	Check the delay time on the display controller and set it as required;
	Fault exists	Troubleshooting according to display controller prompts, or querying fault logs or alarm logs
No access to parameter settings	Forgotten password	Enter super password 3727
Unable to communicate	Broken, shorted or incorrectly polarised communication lines	Checking the communication lines
No parameter modification or remote control from the host computer	Controller in local mode	Setting the controller to remote mode
No communication related menu	Unplugged or poorly plugged communication module	Reinsert the communication module and make sure it is securely inserted
No current related menu	Current module unplugged or poorly plugged	Reinsert the current module and make sure it is securely inserted
No programmable I/O related menus	Programmable I/O modules unplugged or poorly plugged	Re-insert the programmable I/O modules and make sure they are securely inserted
No power generation related menu	Unplugged or poorly plugged power generation module	Reinsert the power generation module and make sure it is securely inserted

Q

CAP2 Series Automatic Transfer Switches

2022-07-08 10:30:28

A

Failure phenomena	Possible causes	Exclusion methods
The display controller does not show anything	Incorrect main circuit wiring or no power to the main circuit	Check the main circuit, paying particular attention to the correct N wire
Switch does not change over	Wrong working mode	Check the operating mode on the display controller and configure as required; check the operating mode knob on the operating mechanism and set as required;
Switch does not change over	Long delay time	Check the delay time on the display controller and set it as required
No access to parameter settings	Forgotten password	Enter Super Password: 3727
Unable to communicate	Broken, shorted or incorrectly polarised communication lines	Checking the communication lines
Parameters cannot be modified by the host computer or cannot be controlled remotely	Controller in local mode	Setting the controller to remote mode

Q

CAP1 Series Automatic Transfer Switches

2022-07-08 10:24:05

A

Failure phenomena	Possible causes
No display from the controller	l Switch body inlet line not connected l No power to the switch body inlet line l Bad connection of the control cable
Controller commonly used undervoltage light on at the same time	l Reverse connection of the common incoming wires of the switch body l Poor connection of the control cable
E controller fault light flashing	l Bad connection of the control cable l Stuck switch body
Z controller LCD indicates common or standby closing fault	l Bad connection of the control cable l Stuck switch body
Switch does not change over	l Incorrectly set operating mode

Q

CA1 Series Automatic Transfer Switches

2022-07-08 10:22:11

A

Failure phenomena	Possible causes	Exclusion methods
Fault light keeps flashing	Switch tripping due to overload or short circuit	Remove the wiring fault and press the "reset" button on the controller
Adapter undervoltage and overvoltage lights always on	Wrong wiring; lightning strike or long-term overvoltage causing damage to the adaptor	Replacement adapters
The controller does not work in "automatic" mode, and one of the "common" and "standby" (or "power") modes does not work	Figure 9	Figure 9
The controller does not work in "auto", "normal" mode, "standby" (or "power") mode forces normal	Figure 10	Figure 10
Controller display not normal	Figure 11	Figure 11
No display from the controller	Figure 12	Figure 12

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