diff --git a/src/external-api/errors.ts b/src/external-api/errors.ts
index 6473d524..80397590 100644
--- a/src/external-api/errors.ts
+++ b/src/external-api/errors.ts
@@ -1,8 +1,14 @@
 export class ExternalApiError extends Error {
   code: number;
+  // message: string | null;
 
-  constructor(code: number) {
+  constructor(code: number, message?: string) {
     super();
     this.code = code;
+    this.message = message ?? '';
+  }
+
+  getErrorMessage() {
+    return `{ "status": ${this.code}, "message": ${this.message} }`;
   }
 }
diff --git a/src/external-api/helpers.ts b/src/external-api/helpers.ts
index bbf6eb20..0484500c 100644
--- a/src/external-api/helpers.ts
+++ b/src/external-api/helpers.ts
@@ -72,7 +72,7 @@ async function apiFetch(path: APIPath, options: RequestInit): Promise<unknown> {
   if (!response.ok) {
     const message = await response.text();
     logError(requestId, response.status, message);
-    throw new ExternalApiError(response.status);
+    throw new ExternalApiError(response.status, message);
   }
 
   if (response.status === 201 || response.status === 204) {
diff --git a/src/external-api/uniconfig-cache.ts b/src/external-api/uniconfig-cache.ts
index ed41a252..40065816 100644
--- a/src/external-api/uniconfig-cache.ts
+++ b/src/external-api/uniconfig-cache.ts
@@ -8,6 +8,7 @@ import {
   uninstallDevice,
   uninstallMultipleDevices,
 } from './uniconfig';
+import { ExternalApiError } from './errors';
 
 export class UniconfigCache {
   private static instance: UniconfigCache;
@@ -116,7 +117,11 @@ export async function installMultipleDevicesCache({
 
   try {
     await installMultipleDevices(url, devicesToInstall);
-  } catch {
+  } catch (e) {
+    if (e instanceof ExternalApiError) {
+      throw e;
+    }
+
     throw new Error('could not install device');
   }
 
diff --git a/src/schema/device.ts b/src/schema/device.ts
index 3dba97f1..13714111 100644
--- a/src/schema/device.ts
+++ b/src/schema/device.ts
@@ -43,6 +43,7 @@ import { LabelConnection } from './label';
 import { Location } from './location';
 import { Zone } from './zone';
 import config from '../config';
+import { ExternalApiError } from '../external-api/errors';
 
 export const DeviceServiceState = enumType({
   name: 'DeviceServiceState',
@@ -116,9 +117,14 @@ export const Device = objectType({
     t.nonNull.boolean('isInstalled', {
       resolve: async (root, _, { prisma }) => {
         const { uniconfigZoneId } = root;
-        const uniconfigURL = await getUniconfigURL(prisma, uniconfigZoneId);
-        const isInstalled = await getCachedDeviceInstallStatus(uniconfigURL, root.name);
-        return isInstalled;
+        try {
+          const uniconfigURL = await getUniconfigURL(prisma, uniconfigZoneId);
+          const isInstalled = await getCachedDeviceInstallStatus(uniconfigURL, root.name);
+          return isInstalled;
+        } catch {
+          // FD-683 supress isInstalled error when something is wrong with uniconfig
+          return false;
+        }
       },
     });
     t.nonNull.field('zone', {
@@ -587,7 +593,15 @@ export const InstallDeviceMutation = extendType({
         const { mountParameters } = device;
         const installDeviceParams = prepareInstallParameters(device.name, mountParameters);
         const uniconfigURL = await getUniconfigURL(prisma, device.uniconfigZoneId);
-        await installDeviceCache({ uniconfigURL, deviceName: device.name, params: installDeviceParams });
+        try {
+          await installDeviceCache({ uniconfigURL, deviceName: device.name, params: installDeviceParams });
+        } catch (e) {
+          if (e instanceof ExternalApiError) {
+            throw new Error(e.getErrorMessage());
+          }
+
+          throw e;
+        }
         return { device };
       },
     });
@@ -628,7 +642,13 @@ export const UninstallDeviceMutation = extendType({
           throw new Error('device not found');
         }
         const uniconfigURL = await getUniconfigURL(prisma, device.uniconfigZoneId);
-        await uninstallDeviceCache({ uniconfigURL, params: uninstallParams, deviceName: device.name });
+        try {
+          await uninstallDeviceCache({ uniconfigURL, params: uninstallParams, deviceName: device.name });
+        } catch (e) {
+          if (e instanceof ExternalApiError) {
+            throw new Error(e.getErrorMessage());
+          }
+        }
         return { device };
       },
     });
@@ -771,9 +791,15 @@ export const BulkInstallDevicesMutation = extendType({
           }),
         );
 
-        await Promise.all(
-          devicesToInstallWithParams.map((devicesToInstall) => installMultipleDevicesCache(devicesToInstall)),
-        );
+        try {
+          await Promise.all(
+            devicesToInstallWithParams.map((devicesToInstall) => installMultipleDevicesCache(devicesToInstall)),
+          );
+        } catch (e) {
+          if (e instanceof ExternalApiError) {
+            throw new Error(e.getErrorMessage());
+          }
+        }
 
         return { installedDevices: devices };
       },