IPS Controllers M920 User Manual

M920 & M920W pH/Dual ORP Controller Owner’s Manual
36
F.Feedernotoperang
1. No Flow: Flow light LED must be on.
2. Inadequate Flow: Check ow through the ow cell and controller.
3. Blown output fuse in the controller: Replace fuse.
G.FlowLEDo
1. Verify that all appropriate valves are open.
2. Verify that there is sucient pressure in the line. Close right side
valve slightly if necessary.
3. Verify that the ow switch is securely connected to the
controller terminals.
4. Both the pH and ORP dose outputs are disabled if the green Flow
LED is not illuminated.

IPS Controllers M920 Specifications

General

Brand	IPS Controllers
Model	M920
Category	Controller
Language	English