Servicing The Controller
The controller should always be serviced by an authorized agent.
Follow these steps:
1.Turn mains power off to the controller.
2.Disconnect 24 Volt power leads from the plug pack at the controller 24VAC terminals.
3.Clearly mark or identify all valve wires according to the terminals they are connected to, (1 to 6). This allows you to easily wire them back to the controller, maintaining your valve watering sequence.
4.Disconnect valve wires from the terminal block.
5.Remove the complete unit from the wall.
6.Carefully wrap the complete unit in protective wrapping and pack in a suitable box. Return to your service agent or the manufacturer.
Note: Tampering with the unit will cancel the Guarantee
7.Replace your controller by reversing this procedure.
Fault Finding Guide
Symptom | Possible Cause | Suggestion |
No display. | Faulty transformer. | Check fuse. Check field wiring. |
| ||
| Fuse blown. | Check transformer. |
|
|
|
Single Station | Faulty solenoid coil. | Swap faulty station wire on |
not working. |
| controller terminal block with |
|
| known working station wire. If |
|
| the faulty valve still does not |
|
| work on the known working |
|
| connection then the solenoid coil |
|
| is faulty. The panel may need to |
|
| be repaired. |
|
|
|
Fuse blows. | Incorrect wiring or bad | Check wiring and joints. |
| wiring joint. |
|
|
|
|
No automatic | Incorrect | If unit works manually check |
start. | programming or blown | programming. Check fuse and |
| fuse. | field wiring. |
|
|
|
Buttons on | Short on keypad or | Check instruction book to ensure |
keypad not | Programming not | programming correct. If keypad |
responding. | correct. | still not responding return panel to |
|
| supplier or manufacturer. |
|
|
|
System | Short on keypad or | Check number of start times |
coming on at | too many start times | entered on each program. If |
random. | entered on automatic | programming is correct return |
| programs. | panel to supplier or manufacturer. |
|
|
|
More than 1 | Damaged main output | Check wiring and swap faulty |
station coming | driver chip. | station wire(s) on controller |
on at once. |
| terminal block with known working |
|
| station wire. If the same outputs |
|
| are still locked on, return panel to |
|
| supplier or manufacturer. |
|
|
|
Pump start | Faulty relay or pump | Electrician to check voltage on |
chattering. | contactor. | pump relay or contactor. |
|
|
|
Display | Display damaged | Return panel to supplier or |
cracked or | during transportation. | manufacturer. |
missing |
|
|
segments. |
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