Page 8 • MN03010 ║ Issue/Rev. 0.4 (6/17)
Model 210 Valve (I / O / S) Manual Troubleshooting Guide
3 – Troubleshooting Guide
Problem Cause Remedy
1. Low or no ow. A. No pump pressure Start pump
B. Upstream block valve closed Open valve
C. Improper wiring Check wiring
D. Downstream Model 13 Valve on 210 Valve
closed
Open needle valve
E. AccuLoad or microLoad fuse blown Replace fuse
F. Broken 210 Valve diaphragm Check diaphragm
G. Improper uid connection to truck Open dry break coupling
H. AccuLoad or microLoad relay failed Test board*
I. Line strainer clogged Visually check
J. Preset counter switch not working Visually check
K. N.C. solenoid failed closed Test and replace
2. Improper or erratic high ow A. Fluid pressure oscillating Stabilize system
B. Improper pressure regulator pilot settings Adjust settings
C. AccuLoad or microLoad Hi Flow setting
incorrect
Correct setting
D. Wiring connections loose Repair as required
E. Solenoid wiring revised Correct no. 3 & 4 connection
3. Excessive high ow A Manual override valve open Close valve
B. Improper wiring Check wiring
C. N.O. solenoid failed to open Test and replace
D. N.C. solenoid failed to close Test and replace
E. Contamination in 210 pilot loop Clean or replace
F. AccuLoad or microLoad Hi Flow setting
incorrect
Correct setting
G. Pulse transmitter slotted disk loose on shaft Reposition and tighten*
4. Valve shuts down early A. Final zero adjustment too early Read just "Zero" on Preset Counter
+
B. N.O. solenoid leaking Test and replace
C. AccuLoad or microLoad board defective Test and replace
D. Leaking diaphragm Replace diaphragm
5. Valve shuts down late A. Upstream Model 13 needle valve Open needle valve further
B. Improper switch settings on high ow Adjust preset counter trip
+
C. First trip too late on Preset Counter Adjust Preset Counter trip
+
D. Final zero adjusting Readjust "Zero" on Preset Counter
6. Valve fails to shut off A. Manual override valve open Close valve
B. Upstream Model 13 Needle Valve closed Open needle valve
C. N.O. Solenoid failed to open Test and replace
D. N.C. Solenoid failed to close Test and replace
E. Final trip failed on Preset Counter Replace or repair switch
+
F. AccuLoad or microLoad board defective Test and replace*
G. Valve strainer clogged Check strainer
7. Line shock on shutdown A. 210 Valve closing too fast Gradually close upstream needle valve
8. Downstream system pressure too high A. 210 Valve leaking Repair as required
* See AccuLoad Installation Manual (Bulletin MN06135).
+
See Veeder-Root Installation/Operation/Service Manual 251278 (Bulletin 8-015).
To Next Page
Loading...
Need help?
General
