Is this what needs to be replaced if our pro-C controller keeps cycling after zone 4 waters? Sometimes it stops after 1-4 have ran, other times not.

you have to may start times, you only need ONE start time and only Program A

How can you test the main base module to see if it is defective? I have power to it and my control panel is blank.

First, test your front panel by installing a 9V battery in the back If the LCD still doesn't come on then the panel itself is bad, but does not rule out possible issues with other components. If it does come on, and you know you have 24 VAC out of the transformer, it's more likely to be the backplane assembly (the board the modules connects to).

I installed the part. fit perfectly. but station 1 still doesn't turn on but 2 and 3 do turn on. any ideas what else could be wrong? wires look good

See if your wires are connected at the sprinkler valve.

Pro-C Main Base Module 466500 for ProC PC300 PC300i Controller Timer

Product ID: 127898750

📏Compact Size

🔄Backwards Compatible

🔧Easy Replacement

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₨52486

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Sold byAmazon Sri LankaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔄 Upgrade Your Timer Game!

EFFICIENT DESIGN - Compact dimensions (11.43 x 10.16 x 11.43 cm) for easy installation.
SEAMLESS REPLACEMENT - Easily swap out the main module without replacing the entire timer.
ENHANCED CONNECTIVITY - Includes Common and P/MV terminals along with Zones 1, 2, and 3.
FUTURE PROOF SOLUTION - Black modules are backwards compatible with older grey module timers.
VERSATILE COMPATIBILITY - Works with both indoor and outdoor Pro-C PC-300 & PC-300i models.

The HUNTER Pro-C Main Base Module 466500 is a reliable replacement for defective main modules in Pro-C PC-300 and PC-300i controllers. Designed for both indoor and outdoor use, this module features essential terminals for seamless connectivity and is compact for easy installation. Plus, its backwards compatibility ensures you can upgrade without hassle.

Specifications

Product Dimensions	11.43 x 10.16 x 11.43 cm; 113.4 g
Part number	468500
Manufacturer	Standard Plumbing Supply-LG
Item model number	466500
ASIN	B00FJWEAC8

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