diff --git a/tri.py b/tri.py
index b7e9fb6..33bcffd 100755
--- a/tri.py
+++ b/tri.py
@@ -150,7 +150,7 @@ else:
 	client.connect()
 
 # declare ve mppt
-bve=True
+bve=False
 try:
   ve=vedirect('/dev/serial/by-id/usb-VictronEnergy_BV_VE_Direct_cable_VE1SSBVT-if00-port0',60)
 except:
@@ -240,12 +240,16 @@ while a > 1:
   
   # read ve data
   if bve:
-    vedata=ve.read_data_single()
-    ch_val[channel_names.index("volt_bat_ve")]=int(vedata['V']) # Battery voltage measured by ve
-    ch_val[channel_names.index("volt_arr_ve")]=int(vedata['VPV']) # Array voltage measured by ve
-    ch_val[channel_names.index("amp_ve")]=int(vedata['I']) # loading current by ve
-    ch_val[channel_names.index("watt_ve")]=int(vedata['PPV']) # Array power measured by ve
-    ch_val[channel_names.index("days_ve")]=int(vedata['HSDS']) # total days online ve
+    try:
+      vedata=ve.read_data_single()
+    except:
+      print("could not read VE")
+    else:
+      ch_val[channel_names.index("volt_bat_ve")]=int(vedata['V']) # Battery voltage measured by ve
+      ch_val[channel_names.index("volt_arr_ve")]=int(vedata['VPV']) # Array voltage measured by ve
+      ch_val[channel_names.index("amp_ve")]=int(vedata['I']) # loading current by ve
+      ch_val[channel_names.index("watt_ve")]=int(vedata['PPV']) # Array power measured by ve
+      ch_val[channel_names.index("days_ve")]=int(vedata['HSDS']) # total days online ve
   
   timefile=round(timestamp/3600000)
   f1=open("/home/pi/log/data_{:d}.txt".format(int(timefile)),"a")
@@ -310,9 +314,9 @@ while a > 1:
 #  print "charge state : %.2f" % charge_state
 
   if push_counter>=push_count:
-	push_counter = 1
+    push_counter = 1
   else:
-	push_counter=push_counter+1
+    push_counter=push_counter+1
   
   time.sleep(5)